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Mars Exploration Rover Project

Mars Exploration Rover Project

Mars MER A and MER B 2003 Rovers

Mars Rover (by MASS Digital)      Mars Rover (by MASS Digital)      Mars Rover (by MASS Digital)

MER Rovers Link

MER Announcement      MER fact sheet

AMES Link 2003 Landing Site Website


NOTE: This website was generated to help landing site selection. Because we have landed, this site will not be regularly updated. For the latest info please visit the JPL Rover Site.

  • Jan/Feb, 2004, Spirit and Opportunity are down. For the latest info please visit the JPL Rover Site.
  • October 6, 2003, Gusev and Meridiani here we come! The final discussion by the NASA's Associate Administrator for Space Science. memo 
  • Apr 11, 2003, Two main sites chosen - Hematite for MER-A and Gusev for MER-B. MER science memo / NASA press release.
  • Mar 03, 2003, Added updated NA Excel stats files DEMs (download page).
  • Feb 04, 2003, Landing Site Workshop Report of the 4th Meeting. (PDF)
  • Jan 24, 2003, Athena Science Team Science-Based Landing Site Recommendations
  • Jan 07, 2003, 4th MER workshop final agenda with linked presentations added.
  • Jan 02, 2003, 4th MER workshop agenda and reminder.
  • Jan 02, 2003, Added more NA DEMs (download page).
  • Dec 20, 2002, Added MOC footprints through E22 and MOLA viewshed analysis layers  on the online mapping page and below in data section.
  • Dec 20, 2002, Added landing site DEMs for download. Use freeware Global Mapper to view, profile, and contour GIS DEM data (load *.adf file).

2 Chosen Landing Sites

Summary of the MER Landing Sites (Oct 6, 2003)

Gusev Crater (MER-A)

Meridiani (MER-B)

  • Sediments deposited in crater lake?

EP55A3 centered at:

  • 14.59 S, 175.30E IAU/IAG 2000
  • 14.59S, 175.03E  IAU/IAG 1994
  • 14.59S, 175.06E  IAU/IAG 1991

Ellipse center ground radius 3392.33 km, MOLA elevation -1.91 km. Margined 99% ellipse: 78.2 km x 10.4 km, oriented at 75°, Unmargined 99% wllipse 67.2 km x 5.4 km

  • Mineral evidence(coarse-grained hematite) for past water?

TM20B3 centered at:

  • 1.98S 354.06E  IAU/IAG 2000
  • 1.98S 353.79E  IAU/IAG
  • 1.98S 353.82E  IAU/IAG

Ground radius 3394.09, MOLA elevation - 1.44 km. Margined 99% ellipse: 84.6 km x 10.8 km, oriented at 82.9°, Unmargined 99% wllipse 73.6 km x 5.8 km.

  • Stand Alone Viewers:
    • Use freeware Global Mapper to view, profile, and contour GIS DEM data (load *.adf file) for Windows.
    • For other systems you can use LandSerf
    • More

PIGWAD Online Maps

ArcView HTML - Ellipse Builder Interface has been removed. Please use the mapping services found at the PIGWAD Mars site.


Information and data provided by the MER Project Team.

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