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1. Science goals and mission architecture of the Europa Lander mission concept

Author

Hand, Kevin P., Phillips, Cynthia B., Murray, Alison E., Garvin, James B., Maize, Earl H., Gibbs, Roger G., Reeves, Glenn, San Martin, A. Miguel, Tan-Wang, Grace H., Krajewski, Joel, Hurst, Kenneth, Crum, Ray, Kennedy, Brett A., McElrath, Timothy P., Gallon, John C., Sabahi, Dara, Thurman, Sam W., Goldstein, Barry, Estabrook, Polly, Lee, Steven W., Dooley, Jennifer A., Brinckerhoff, William B., Edgett, Kenneth S., German, Christopher R., Hoehler, Tori M., Hörst, Sarah M., Lunine, Jonathan I., Paranicas, Christopher, Nealson, Kenneth H., Smith, David E., Templeton, Alexis S., Russell, Michael J., Schmidt, Britney E., Christner, Brent C., Ehlmann, Bethany L., Hayes, Alexander, Rhoden, Alyssa, Willis, Peter, Yingst, R. Aileen, Craft, Kate, Cameron, Marissa E., Nordheim, Tom A., Pitesky, Jo, Scully, Jennifer, Hofgartner, Jason D., Sell, Steve W., Barltrop, Kevin J., Izraelevitz, Jacob, Brandon, Erik J., Seong, J., Jones, John-Paul, Pasalic, Jasmina, Billings, Keith J., Ruiz, John Paul, Bugga, Ratnakumar V., Graham, Dan, Arenas, L. A., Takeyama, Deidre, Drummond, Mai, Aghazarian, Hrand, Andersen, Allen J., Andersen, Kayla B., Anderson, E. W., Babuscia, Alessandra, Backes, Paul G., Bailey, Elizabeth S., Balentine, Daniel, Ballard, Christopher G., Berisford, Daniel F., Bhandari, Pradeep, Blackwood, Krys, Bolotin, Gary S., Bovre, Emilee A., Bowkett, Joseph, Boykins, Kobie T., Bramble, Michael S., Brice, Timothy M., Briggs, Paul, Brinkman, Alexander P., Brooks, Shawn M., Buffington, Brent B., Burns, Brandon, Cable, Morgan L., Campagnola,Stefano, Cangahuala, Laureano A., Carr, Gregory A., Casani, John R., Chahat, Nacer E., Chamberlain-Simon, Brendan K., Cheng, Yun-Ting, Chien, Steve A., Cook, B. T., Cooper, Moogega, Dinicola, Michael, Clement, Brian G., Dean, Zachary S., Cullimore, Emily A., Curtis, Aaron G., de la Croix, Jean-Pierre, Di Pasquale, Peter, Dodd, Emma M., Dubord, Luke A., Edlund, Jeffrey A., Ellyin, Raymond, Emanuel, Blair, Foster, Jeffrey T., Ganino, Anthony J., Garner, Gregory J., Gibson, Matt T., Gildner, Matt, Glazebrook, Kenneth J., Greco, Martin E., Green, W. M., Hatch, Sara J., Hetzel, Mark M., Hoey, William A., Hofmann, Amy E., Ionasescu, Rodica, Jain, Abhinandan, Jasper, Jay D., Johannesen, Jennie R., Johnson, Glenn K., Jun, Insoo, Katake, Anup B., Kim-Castet, So Young, Kim, David Inkyu, Kim, Wousik, Klonicki, Emily F., Kobeissi, Brad, Kobie, Bryan D., Kochocki, Joseph, Kokorowski, Michael, Kosberg, Jacob A., Kriechbaum, Kristopher, Kulkarni, Tejas P., Lam, Rebekah L., Landau, Damon F., Lattimore, Myra A., Laubach, Sharon L., Lawler, Christopher R., Lim, Grace, Li, Jui-Lin, Litwin, Todd E., Lo, Martin W., Logan, Cambria A., Maghasoudi, Elham, Mandrake, Lukas, Marchetti, Yuliya, Marteau, Eloise, Maxwell, Kimberly A., McNamee, John B., McIntyre, Ocean, Meacham, Michael, Melko, Joseph P., Mueller, Juergen, Muliere, David, Mysore, Aprameya, Nash, Jeremy, Ono, Masahiro, Parker, Jay M., Perkins, Rebecca C., Petropoulos, Anastassios E., Gaut, Aaron, Piette Gomez, Marie Y., Casillas, Raul Polit, Preudhomme, Michael, Pyrzak, Guy, Rapinchuk, Jacqueline, Ratliff, John Martin, Ray, T. L., Roberts, Eric T., Roffo, Kenneth, Roth, Duane C., Russino, Joseph A., Schmidt, Tyler M., Schoppers, Marcel J., Senent, Juan S., Serricchio, Fred, Sheldon, Douglas J., Shiraishi, Lori R., Shirvanian, James, Siegel, Katherine J., Singh, Gurjeet, Sirota, Allen R., Skulsky, Eli D., Stehly, Joseph S., Strange, Nathan J., Stevens, Sarah U., Sunada, Eric T., Tepsuporn, Scott P., Tosi, Luis Phillipe C., Trawny, Nikolas, Uchenik, Igor, Verma, Vandi, Volpe, Richard A., Wagner, Caleb T., Wang, D., Willson, Reg G., Wolff, John Luke, Wong, A. T., Zimmer, Aline K., Sukhatme, Kalyani G., Bago, Kevin A., Chen, Yang, Deardorff, Alyssa M., Kuch, Roger S., Lim, Christopher, Syvertson, Marguerite L., Arakaki, Genji A., Avila, Art, DeBruin, Kevin J., Frick, Andreas, Harris, Joby R., Heverly, Matthew C., Kawata, Jessie M., Kim‬, Sung-Kyun, Kipp, Devin M., Murphy, Juliana, Smith, Matthew W., Spaulding, Matthew D., Thakker, Rohan, Warner, Noah Z., Yahnker, Chris R., Young, M. E., Magner, Tom, Adams, Danica, Bedini, Peter, Mehr, Lauren, Sheldon, Colin, Vernon, Steven, Bailey, Vince, Briere, Marc, Butler, Michael, Davis, Amanda, Ensor, Susan, Gannon, Michele, Haapala-Chalk, Amanda, Hartka, Ted, Holdridge, Mark, Hong, Albert, Hunt, J., Iskow, Joe, Kahler, Faith, Murray, Kimberly, Napolillo, David, Norkus, Michael, Pfisterer, Rick, Porter, Jamie, Roth, David, Schwartz, Paul, Wolfarth, Lawrence, Cardiff, Eric, Davis, Anita, Grob, Eric W., Adam, Jason R., Betts, Erin, Norwood, Jason, Heller, M. M., Voskuilen, Tyler, Sakievich, Philip, Gray, L., Hansen, D. J., Irick, Kevin W., Hewson, John C., Lamb, Joshua, Stacy, S. C., Brotherton, Chris M., Tappan, Alexander S., Benally, Darryl, Thigpen, Hannah, Ortiz, Erick, Sandoval, Dan, Ison, Aaron M., Warren, M., Stromberg, Peter G., Thelen, Paul Mark, Blasy, B., Nandy, Prabal, Haddad, Alexandria W., Trujillo, Lynna B., Wiseley, T. H., Bell, S. A., Teske, Nicholas P., Post, C., Torres-Castro, Loraine, Grosso, Chris, Wasiolek, Maryla, Hand, Kevin P., Phillips, Cynthia B., Murray, Alison E., Garvin, James B., Maize, Earl H., Gibbs, Roger G., Reeves, Glenn, San Martin, A. Miguel, Tan-Wang, Grace H., Krajewski, Joel, Hurst, Kenneth, Crum, Ray, Kennedy, Brett A., McElrath, Timothy P., Gallon, John C., Sabahi, Dara, Thurman, Sam W., Goldstein, Barry, Estabrook, Polly, Lee, Steven W., Dooley, Jennifer A., Brinckerhoff, William B., Edgett, Kenneth S., German, Christopher R., Hoehler, Tori M., Hörst, Sarah M., Lunine, Jonathan I., Paranicas, Christopher, Nealson, Kenneth H., Smith, David E., Templeton, Alexis S., Russell, Michael J., Schmidt, Britney E., Christner, Brent C., Ehlmann, Bethany L., Hayes, Alexander, Rhoden, Alyssa, Willis, Peter, Yingst, R. Aileen, Craft, Kate, Cameron, Marissa E., Nordheim, Tom A., Pitesky, Jo, Scully, Jennifer, Hofgartner, Jason D., Sell, Steve W., Barltrop, Kevin J., Izraelevitz, Jacob, Brandon, Erik J., Seong, J., Jones, John-Paul, Pasalic, Jasmina, Billings, Keith J., Ruiz, John Paul, Bugga, Ratnakumar V., Graham, Dan, Arenas, L. A., Takeyama, Deidre, Drummond, Mai, Aghazarian, Hrand, Andersen, Allen J., Andersen, Kayla B., Anderson, E. W., Babuscia, Alessandra, Backes, Paul G., Bailey, Elizabeth S., Balentine, Daniel, Ballard, Christopher G., Berisford, Daniel F., Bhandari, Pradeep, Blackwood, Krys, Bolotin, Gary S., Bovre, Emilee A., Bowkett, Joseph, Boykins, Kobie T., Bramble, Michael S., Brice, Timothy M., Briggs, Paul, Brinkman, Alexander P., Brooks, Shawn M., Buffington, Brent B., Burns, Brandon, Cable, Morgan L., Campagnola,Stefano, Cangahuala, Laureano A., Carr, Gregory A., Casani, John R., Chahat, Nacer E., Chamberlain-Simon, Brendan K., Cheng, Yun-Ting, Chien, Steve A., Cook, B. T., Cooper, Moogega, Dinicola, Michael, Clement, Brian G., Dean, Zachary S., Cullimore, Emily A., Curtis, Aaron G., de la Croix, Jean-Pierre, Di Pasquale, Peter, Dodd, Emma M., Dubord, Luke A., Edlund, Jeffrey A., Ellyin, Raymond, Emanuel, Blair, Foster, Jeffrey T., Ganino, Anthony J., Garner, Gregory J., Gibson, Matt T., Gildner, Matt, Glazebrook, Kenneth J., Greco, Martin E., Green, W. M., Hatch, Sara J., Hetzel, Mark M., Hoey, William A., Hofmann, Amy E., Ionasescu, Rodica, Jain, Abhinandan, Jasper, Jay D., Johannesen, Jennie R., Johnson, Glenn K., Jun, Insoo, Katake, Anup B., Kim-Castet, So Young, Kim, David Inkyu, Kim, Wousik, Klonicki, Emily F., Kobeissi, Brad, Kobie, Bryan D., Kochocki, Joseph, Kokorowski, Michael, Kosberg, Jacob A., Kriechbaum, Kristopher, Kulkarni, Tejas P., Lam, Rebekah L., Landau, Damon F., Lattimore, Myra A., Laubach, Sharon L., Lawler, Christopher R., Lim, Grace, Li, Jui-Lin, Litwin, Todd E., Lo, Martin W., Logan, Cambria A., Maghasoudi, Elham, Mandrake, Lukas, Marchetti, Yuliya, Marteau, Eloise, Maxwell, Kimberly A., McNamee, John B., McIntyre, Ocean, Meacham, Michael, Melko, Joseph P., Mueller, Juergen, Muliere, David, Mysore, Aprameya, Nash, Jeremy, Ono, Masahiro, Parker, Jay M., Perkins, Rebecca C., Petropoulos, Anastassios E., Gaut, Aaron, Piette Gomez, Marie Y., Casillas, Raul Polit, Preudhomme, Michael, Pyrzak, Guy, Rapinchuk, Jacqueline, Ratliff, John Martin, Ray, T. L., Roberts, Eric T., Roffo, Kenneth, Roth, Duane C., Russino, Joseph A., Schmidt, Tyler M., Schoppers, Marcel J., Senent, Juan S., Serricchio, Fred, Sheldon, Douglas J., Shiraishi, Lori R., Shirvanian, James, Siegel, Katherine J., Singh, Gurjeet, Sirota, Allen R., Skulsky, Eli D., Stehly, Joseph S., Strange, Nathan J., Stevens, Sarah U., Sunada, Eric T., Tepsuporn, Scott P., Tosi, Luis Phillipe C., Trawny, Nikolas, Uchenik, Igor, Verma, Vandi, Volpe, Richard A., Wagner, Caleb T., Wang, D., Willson, Reg G., Wolff, John Luke, Wong, A. T., Zimmer, Aline K., Sukhatme, Kalyani G., Bago, Kevin A., Chen, Yang, Deardorff, Alyssa M., Kuch, Roger S., Lim, Christopher, Syvertson, Marguerite L., Arakaki, Genji A., Avila, Art, DeBruin, Kevin J., Frick, Andreas, Harris, Joby R., Heverly, Matthew C., Kawata, Jessie M., Kim‬, Sung-Kyun, Kipp, Devin M., Murphy, Juliana, Smith, Matthew W., Spaulding, Matthew D., Thakker, Rohan, Warner, Noah Z., Yahnker, Chris R., Young, M. E., Magner, Tom, Adams, Danica, Bedini, Peter, Mehr, Lauren, Sheldon, Colin, Vernon, Steven, Bailey, Vince, Briere, Marc, Butler, Michael, Davis, Amanda, Ensor, Susan, Gannon, Michele, Haapala-Chalk, Amanda, Hartka, Ted, Holdridge, Mark, Hong, Albert, Hunt, J., Iskow, Joe, Kahler, Faith, Murray, Kimberly, Napolillo, David, Norkus, Michael, Pfisterer, Rick, Porter, Jamie, Roth, David, Schwartz, Paul, Wolfarth, Lawrence, Cardiff, Eric, Davis, Anita, Grob, Eric W., Adam, Jason R., Betts, Erin, Norwood, Jason, Heller, M. M., Voskuilen, Tyler, Sakievich, Philip, Gray, L., Hansen, D. J., Irick, Kevin W., Hewson, John C., Lamb, Joshua, Stacy, S. C., Brotherton, Chris M., Tappan, Alexander S., Benally, Darryl, Thigpen, Hannah, Ortiz, Erick, Sandoval, Dan, Ison, Aaron M., Warren, M., Stromberg, Peter G., Thelen, Paul Mark, Blasy, B., Nandy, Prabal, Haddad, Alexandria W., Trujillo, Lynna B., Wiseley, T. H., Bell, S. A., Teske, Nicholas P., Post, C., Torres-Castro, Loraine, Grosso, Chris, and Wasiolek, Maryla

Abstract

© The Author(s), 2022. This article is distributed under the terms of the Creative Commons Attribution License. The definitive version was published in Hand, K., Phillips, C., Murray, A., Garvin, J., Maize, E., Gibbs, R., Reeves, G., San Martin, A., Tan-Wang, G., Krajewski, J., Hurst, K., Crum, R., Kennedy, B., McElrath, T., Gallon, J., Sabahi, D., Thurman, S., Goldstein, B., Estabrook, P., Lee, S. W., Dooley, J. A., Brinckerhoff, W. B., Edgett, K. S., German, C. R., Hoehler, T. M., Hörst, S. M., Lunine, J. I., Paranicas, C., Nealson, K., Smith, D. E., Templeton, A. S., Russell, M. J., Schmidt, B., Christner, B., Ehlmann, B., Hayes, A., Rhoden, A., Willis, P., Yingst, R. A., Craft, K., Cameron, M. E., Nordheim, T., Pitesky, J., Scully, J., Hofgartner, J., Sell, S. W., Barltrop, K. J., Izraelevitz, J., Brandon, E. J., Seong, J., Jones, J.-P., Pasalic, J., Billings, K. J., Ruiz, J. P., Bugga, R. V., Graham, D., Arenas, L. A., Takeyama, D., Drummond, M., Aghazarian, H., Andersen, A. J., Andersen, K. B., Anderson, E. W., Babuscia, A., Backes, P. G., Bailey, E. S., Balentine, D., Ballard, C. G., Berisford, D. F., Bhandari, P., Blackwood, K., Bolotin, G. S., Bovre, E. A., Bowkett, J., Boykins, K. T., Bramble, M. S., Brice, T. M., Briggs, P., Brinkman, A. P., Brooks, S. M., Buffington, B. B., Burns, B., Cable, M. L., Campagnola, S., Cangahuala, L. A., Carr, G. A., Casani, J. R., Chahat, N. E., Chamberlain-Simon, B. K., Cheng, Y., Chien, S. A., Cook, B. T., Cooper, M., DiNicola, M., Clement, B., Dean, Z., Cullimore, E. A., Curtis, A. G., Croix, J-P. de la, Pasquale, P. Di, Dodd, E. M., Dubord, L. A., Edlund, J. A., Ellyin, R., Emanuel, B., Foster, J. T., Ganino, A. J., Garner, G. J., Gibson, M. T., Gildner, M., Glazebrook, K. J., Greco, M. E., Green, W. M., Hatch, S. J., Hetzel, M. M., Hoey, W. A., Hofmann, A. E., Ionasescu, R., Jain, A., Jasper, J. D., Johannesen, J. R., Johnson, G. K., Jun, I., Katake, A. B., Kim-Castet, S. Y., Kim, D. I., Kim, W., Klonicki, E. F., Kobeis, Europa is a premier target for advancing both planetary science and astrobiology, as well as for opening a new window into the burgeoning field of comparative oceanography. The potentially habitable subsurface ocean of Europa may harbor life, and the globally young and comparatively thin ice shell of Europa may contain biosignatures that are readily accessible to a surface lander. Europa's icy shell also offers the opportunity to study tectonics and geologic cycles across a range of mechanisms and compositions. Here we detail the goals and mission architecture of the Europa Lander mission concept, as developed from 2015 through 2020. The science was developed by the 2016 Europa Lander Science Definition Team (SDT), and the mission architecture was developed by the preproject engineering team, in close collaboration with the SDT. In 2017 and 2018, the mission concept passed its mission concept review and delta-mission concept review, respectively. Since that time, the preproject has been advancing the technologies, and developing the hardware and software, needed to retire risks associated with technology, science, cost, and schedule., K.P.H., C.B.P., E.M., and all authors affiliated with the Jet Propulsion Laboratory carried out this research at the Jet Propulsion Laboratory, California Institute of Technology, under a contract with the National Aeronautics and Space Administration (grant No. 80NM0018D0004). J.I.L. was the David Baltimore Distinguished Visiting Scientist during the preparation of the SDT report. JPL/Caltech2021.

Published
2022

3. Landing on Europa: Challenges, Technologies, and a Strategy

Author

Frick, Andreas, Greco, Martin, Katakes, Anup, Trawny, Nikolas, Serricchio, Fred, Singh, Gurkirpal, Zimmer, Aline K, Kipp, Devin M, San Martin, A. Miguel, and Skulsky, E. David

Abstract

Jupiter’s moon Europa is of intense scientific interest because of the vast quantities of salty liquid water which likely lay beneath its thin icy crust and the tantalizing prospect of finding life elsewhere in the solar system. The planned Europa Mission, which would perform remote science through multiple flybys of Europa, is under development and promises to yield unprecedented insight into this intriguing body. However, there remains a strong desire in the scientific community to perform in situ Europa science through a landed mission. Europa presents unique challenges to a landing mission because of its hostile radiation environment and the lack of information about its terrain. As a complement to the flyby mission, a bold concept to land on Europa and perform in situ science is being studied. Such a mission requires significant technology development to overcome the inherent landing challenges. This paper provides a brief overview of the Europa Lander mission concept and its notional objectives. It then describes the significant challenges associated with landing on Europa, the technologies required to overcome those challenges, and a strategy for Deorbit, Descent, and Landing.

Published
2017

4. Parachute Models Used in the Mars Science Laboratory Entry, Descent, and Landing Simulation

Author

Cruz, Juan R, Way, David W, Shidner, Jeremy D, Davis, Jody L, Powell, Richard W, Kipp, Devin M, Adams, Douglas S, Witkowski, Al, and Kandis, Mike

Subjects
Spacecraft Design, Testing And Performance
Abstract

An end-to-end simulation of the Mars Science Laboratory (MSL) entry, descent, and landing (EDL) sequence was created at the NASA Langley Research Center using the Program to Optimize Simulated Trajectories II (POST2). This simulation is capable of providing numerous MSL system and flight software responses, including Monte Carlo-derived statistics of these responses. The MSL POST2 simulation includes models of EDL system elements, including those related to the parachute system. Among these there are models for the parachute geometry, mass properties, deployment, inflation, opening force, area oscillations, aerodynamic coefficients, apparent mass, interaction with the main landing engines, and off-loading. These models were kept as simple as possible, considering the overall objectives of the simulation. The main purpose of this paper is to describe these parachute system models to the extent necessary to understand how they work and some of their limitations. A list of lessons learned during the development of the models and simulation is provided. Future improvements to the parachute system models are proposed.

Published
2013

5. Reconstruction of the Mars Science Laboratory Parachute Performance and Comparison to the Descent Simulation

Author

Cruz, Juan R, Way, David W, Shidner, Jeremy D, Davis, Jody L, Adams, Douglas S, and Kipp, Devin M

Subjects
Spacecraft Design, Testing And Performance
Abstract

The Mars Science Laboratory used a single mortar-deployed disk-gap-band parachute of 21.35 m nominal diameter to assist in the landing of the Curiosity rover on the surface of Mars. The parachute system s performance on Mars has been reconstructed using data from the on-board inertial measurement unit, atmospheric models, and terrestrial measurements of the parachute system. In addition, the parachute performance results were compared against the end-to-end entry, descent, and landing (EDL) simulation created to design, develop, and operate the EDL system. Mortar performance was nominal. The time from mortar fire to suspension lines stretch (deployment) was 1.135 s, and the time from suspension lines stretch to first peak force (inflation) was 0.635 s. These times were slightly shorter than those used in the simulation. The reconstructed aerodynamic portion of the first peak force was 153.8 kN; the median value for this parameter from an 8,000-trial Monte Carlo simulation yielded a value of 175.4 kN - 14% higher than the reconstructed value. Aeroshell dynamics during the parachute phase of EDL were evaluated by examining the aeroshell rotation rate and rotational acceleration. The peak values of these parameters were 69.4 deg/s and 625 deg/sq s, respectively, which were well within the acceptable range. The EDL simulation was successful in predicting the aeroshell dynamics within reasonable bounds. The average total parachute force coefficient for Mach numbers below 0.6 was 0.624, which is close to the pre-flight model nominal drag coefficient of 0.615.

Published
2013

6. Development of Supersonic Retro-Propulsion for Future Mars Entry, Descent, and Landing Systems

Author

Edquist, Karl T, Dyakonov, Artem A, Shidner, Jeremy D, Studak, Joseph W, Tiggers, Michael A, Kipp, Devin M, Prakash, Ravi, Trumble, Kerry A, Dupzyk, Ian C, and Korzun, Ashley M

Subjects
Lunar And Planetary Science And Exploration
Abstract

Recent studies have concluded that Viking-era entry system technologies are reaching their practical limits and must be succeeded by new methods capable of delivering large payloads (greater than 10 metric tons) required for human exploration of Mars. One such technology, termed Supersonic Retro-Propulsion, has been proposed as an enabling deceleration technique. However, in order to be considered for future NASA flight projects, this technology will require significant maturation beyond its current state. This paper proposes a roadmap for advancing the component technologies to a point where Supersonic Retro-Propulsion can be reliably used on future Mars missions to land much larger payloads than are currently possible using Viking-based systems. The development roadmap includes technology gates that are achieved through testing and/or analysis, culminating with subscale flight tests in Earth atmosphere that demonstrate stable and controlled flight. The component technologies requiring advancement include large engines capable of throttling, computational models for entry vehicle aerodynamic/propulsive force and moment interactions, aerothermodynamic environments modeling, entry vehicle stability and control methods, integrated systems engineering and analyses, and high-fidelity six degree-of-freedom trajectory simulations. Quantifiable metrics are also proposed as a means to gage the technical progress of Supersonic Retro-Propulsion. Finally, an aggressive schedule is proposed for advancing the technology through sub-scale flight tests at Earth by 2016.

Published
2010

7. Mars Science Laboratory Entry, Descent, and Landing System Overview

Author

Steltzner, Adam D, Burkhart, P. Dan, Chen, Allen, Comeaux, Keith A, Guernsey, Carl S, Kipp, Devin M, Lorenzoni, Leila V, Mendeck, Gavin F, Powell, Richard W, Rivellini, Tommaso P, San Martin, A. Miguel, Sell, Steven W, Prakash, Ravi, and Way, David W

Subjects
Spacecraft Design, Testing And Performance
Abstract

In 2012, the Mars Science Laboratory (MSL) mission will pioneer the next generation of robotic Entry, Descent, and Landing (EDL) systems by delivering the largest and most capable rover to date to the surface of Mars. In addition to landing more mass than prior missions to Mars, MSL will offer access to regions of Mars that have been previously unreachable. The MSL EDL sequence is a result of a more stringent requirement set than any of its predecessors. Notable among these requirements is landing a 900 kg rover in a landing ellipse much smaller than that of any previous Mars lander. In meeting these requirements, MSL is extending the limits of the EDL technologies qualified by the Mars Viking, Mars Pathfinder, and Mars Exploration Rover missions. Thus, there are many design challenges that must be solved for the mission to be successful. Several pieces of the EDL design are technological firsts, such as guided entry and precision landing on another planet, as well as the entire Sky Crane maneuver. This paper discusses the MSL EDL architecture and discusses some of the challenges faced in delivering an unprecedented rover payload to the surface of Mars.

Published
2010

8. Mars Science Laboratory Entry, Descent, and Landing System Overview

Author

Prakash, Ravi, Burkhart, P. Dan, Dan Burkhart, P., Chen, Allen, Comeaux, Keith A., Guernsey, Carl S., Kipp, Devin M., Lorenzoni, Leila V., Mendeck, Gavin F., Powell, Richard W., Rivellini, Tommaso P., Martin, A. Miguel San, Miguel San Martin, A., Sell, Steven W., Steltzner, Adam D., and Way, David W.

Abstract

In 2010, the Mars science laboratory (MSL) mission will pioneer the next generation of robotic entry, descent, and landing (EDL) systems by delivering the largest and most capable rover to date to the surface of Mars. In addition to landing more mass than prior missions to Mars, MSL will offer access to regions of Mars that have been previously unreachable. The MSL EDL sequence is a result of a more stringent requirement set than any of its predecessors. Notable among these requirements is landing a 900 kg rover in a landing ellipse much smaller than that of any previous Mars lander. In meeting these requirements, MSL is extending the limits of the EDL technologies qualified by the Mars viking, Mars pathfinder, and Mars exploration rover missions. Thus, there are many design challenges that must be solved for the mission to be successful. Several pieces of the EDL design are technological firsts, such as guided entry and precision landing on another planet, as well as the entire sky crane maneuver. This paper discusses the MSL EDL architecture and discusses some of the challenges faced in delivering an unprecedented rover payload to the surface of Mars.

Published
2008

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