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Christopher Lim


4800 Oak Grove Drive
M/S 198-235

Pasadena, CA 91109



Member of:

347D - Robotics Modeling and Simulation

Christopher S. Lim

Member of Technical Staff


Christopher Lim is a member of the Robotic Software Systems group at JPL. He has been working in the JPL DARTS Lab developing the Darts/Dshell, ROAMS, and EDL/Dsends dynamics simulation platforms for MSL, Phoenix Mars Lander, Mars 2020, Mars Sample Return, Europa Sampling Autonomy and Ocean Worlds projects.


  • Engineers Degree (Ph.D. equivalent) in Aeronautics (California Institute of Technology)
  • M.S. Aeronautics (California Institute of Technology)
  • B.S. Aeronautical Engineering (Rensselaer Polytechnic Institute)

Professional Experience

  • Robotics Software Engineer III, Jet Propulsion Laboratory.
    • Member of the DARTSLab team that developed the DSENDS Darts/Dshell package for the dynamics simulation of entry, descent and landing of Mars (SRL, MSL, Phoenix), Earth (COMPASS, SIAD) and Lunar (MoonRise) spacecraft.
    • Developed supporting tools such as a fast vector/matrix C++ library, HDF5 real-time data loggers, and a C++ version of Dshell/Darts.
    • Lead software support engineer for DSENDS EDL Monte Carlo simulations.
  • Telos Corporation. Developed portable satellite ground systems.
  • NDC Systems. Developed industrial control systems.
  • Johnson-Grace (division of America On-line). Developed web browser graphics interfaces.
  • Kinemetrics, Inc. Developed earthquake recorders and analysis software.

Research Interests

Software development and architecture for scientific and space exploration applications.

Flight Project and Research Task Involvement

Flight Projects
Phoenix EDL Targeting and Simulation


  1. S. Myint, A. Jain, J. Cameron, C. Lim, "Scalable Large, Multi-Resolution Terrain Real-Time Modeling and Visualization for Surface System Simulations," IROS, San Francisco, CA, 01 September 2011.
  2. J. (Bob) Balaram, J. Cameron, A. Jain, H. Kline, C. Lim, H. Mazhar, S. Myint, H. Nayar, R. Patton, M. Pomerantz, M. Quadrelli, P. Shakkotai, K.Tso, "Physics-Based Simulator for NEO Exploration Analysis & Modeling," AIAA SpaceOps Long Beach, CA, 01 September 2011.
  3. S. Myint, A. Jain, J. Cameron, C. Lim, "Large Terrain Modeling and Visualization for Planets," Fourth IEEE International Conference on Space Mission Challenges for Information Technology (SMC-IT 2011), San Francisco, CA, 01 August 2011.
  1. H. Nayar, J. Balaram, J. Cameron, M. DiCicco, T. Howard, A. Jain, Y. Kuwata, C. Lim, R. Mukherjee, S. Myint, A. Malkovic, M. Pomerantz, S. Wall, "Surface Operations Analysis for Lunar Missions," AIAA SPACE 2010 Conference & Exposition, 01 September 2010.
  1. H. Nayar, A. Jain, J. Balaram, J. Cameron, C. Lim, R. Mukherjee, M. Pomerantz, L. Reder, S. Myint, N. Serrano, S. Wall, "Recent Developments on a Simulator for Lunar Surface Operations," AIAA SPACE 2009 Conference & Exposition, 01 September 2009.
  2. C. Lim, A. Jain, "Dshell++: A Component Based, Reusable Space System Simulation Framework," Third IEEE International Conference on Space Mission Challenges for Information Technology (SMC-IT 2009), 01 July 2009.
  1. H. Nayar, J. Balaram, J. Cameron, A. Jain, C. Lim, R. Mukherjee, S. Peters, M. Pomerantz, L. Reder, P. Shakkottai, S. Wall, "A Lunar Surface Operations Simulator," Proc. International Conference on Simulation, Modeling and Programming for Autonomous Robots (SIMPAR 2008), 01 November 2008.
  1. A. Haldemann M. McHenry R. Petras B. Bornstein R. Castano J. Cameron T. Estlin T. Farr D. Gaines A. Jain C. Leff C. Lim I. Nesnas M. Pomerantz M. Powell I. Shu R. Volpe, "Simulation to Evaluate Autonomous Behaviors for Mobile Planetary Surface Science Misions," IEEE Aerospace Conference, Big Sky, Montana, 01 March 2007.
  1. A Jain, J. Cameron, C. Lim, J. Guineau, "SimScape Terrain Modeling Toolkit," Second International Conference on Space Mission Challenges for Information Technology (SMC-IT 2006), Pasadena, CA, July 2006, 01 July 2006.
  1. R Madison, A Jain, G Benenyan, C Lim, L Reder, M Maimone, "Large Scale Rover Simulations: Supercomputing to Evaluate Rover Control Algorithms," Space 2005, 01 August 2005.
  1. A. Jain, J. Guineau, C. Lim, W. Lincoln, M. Pomerantz, G. Sohl, R. Steele, "Roams: Planetary Surface Rover Simulation Environment," International Symposium on Artificial Intelligence, Robotics and Automation in Space (i-SAIRAS 2003), (Nara, Japan), May 19-23, 2003, 01 May 2003.