NAS logo Mars Explorer Rover 2003 Landing Sites
(Original Complete List)
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Potential Landing Sites for MER-A and MER-B

Site ID
wA western Arabia Terra
TM Terra Meridiani
CP Chryse Planitia
XT Xanthe Terra
VM Valles Marineris
EP Elysium Planitia
IS Isidis Planitia
SM Syrtis Major
A MER-A
B MER-B
Geologic Units
Scott & Tanaka [1986], Greeley & Guest [1987]
Npl1 Noachian Plateau cratered unit
Npl2 Noachian Plateau subdued cratered unit
Nplh Noachian Plateau hilly unit
Npld Noachian Plateau dissected unit
Hr Hesperian Ridged plains
Hch Hesperian Channel Material
Hvr Hesperian Vastitas Borealis Formation, ridged
Hs Hesperian Syrtis Major Formation (volcanics)
Ael1 Amazonian Elysium volcanics
Achu Amazonian Channel material
Aml Amazonian Medusae Fossae Formation
Aps Amazonian Smooth Plains
Apk Amazonian knobby material
Avf Amazonian Valles Marineris floor material
S Smooth plains material within craters
Latitude ± 0.2° relative to MOLA geoid
Longitude ± 0.2°

Site ID Location of
Ellipse Center
(Lat: °N/S, Lon: °W)
Elevation
(km)
Geological
Unit
Red sites are those identified as highest priority
from MER 2003 Workshop (Jan 2001, NASA Ames)
MER-B, Western Hemisphere
wA3B 9.2N, 6 -2.1 Npl2
wA4B 7.8N, 10.8 -2.0 Npl1
wA6B 8.6N, 18.6 -2.1 Hr
wA7B 6.5N, 15.2 -1.9 Hr
TM9B 6N, 2.7 -1.3 Npl2
TM10B 5.6N, 8.3 -1.7 Npl1
TM11B 4.2N, 7.8 -1.8 Npl2
TM12B 4N, 13.5 -2.1 Hr
TM13B 2.3N, 12 -1.9 Hr
TM14B 0.9N, 6.7 -1.6 Npl2
TM15B 0.3N, 9.7 -1.9 Hr
TM16B 0.6S, 11.2 -1.9 Npl1
TM17B 0.5S, 9 -2.1 Hr
TM18B 1.2S, 9.5 -1.7 Hr
TM19B 1.2S, 5.3 -1.3 Npl2
TM20B 2.3S, 6.2 -1.3 Npl2
TM21B 2.5S, 3.3 -1.3 Npl2
TM22B 3.2S, 7.1 -1.7 Npl2
TM23B 3.4S, 3.1 -1.4 Npl2
TM24B 2.8S, 10.1 -1.8 Hr
TM25B 3.6S, 10.1 -1.7 Hr
TM26B 4.6S, 10.1 -1.7 Hr
XT27B 1.9S, 22.5 -2.1 Npl2
XT28B 1.2S, 24.5 -1.8 Npl2
XT29B 1.0S, 27.7 -1.7 Npl2
XT30B 1.2S, 30.6 -2.0 Npl2
XT31B 4N, 26.2 -1.8 Npl2
XT32B 4.5N, 34.6 -1.9 Npl2
XT33B 3.2N, 38.4 -1.6 Npl2
XT34B 6.2N, 40.6 -1.6 Npl2
CP35B 0.4S, 33.8 -5.5 Hch
CP36B 8.2N, 33.0 -4.0 Hch
MER-B, Eastern Hemisphere
EP45B 7.2N, 201.0 -3.0 Achu
EP48B 9.2N, 206.8 -2.5 Ael1
EP49B 7.4N, 205.6 -3.0 Ael1
EP50B 6.6N, 207.6 -3.0 Ael1
EP52B 5.3N, 208.0 -3.0 Achu
EP54B 8.2N, 211.7 -2.5 Ael1
EP55B 5.6N, 213.7 -2.5 Achu
EP56B 4.4N, 213.6 -2.5 Achu
EP57B 4.2S, 212.1 -1.7 Aml
EP59B 7.2N, 217.0 -3.0 Ael1
EP60B 6.5N, 219.6 -3.0 Aps
EP61B 3.7N, 216.0 -3.0 Achu
EP62B 3.6N, 218.5 -3.0 Aml
EP63B 0.7S, 216.9 -2.5 Aps
EP64B 1.5S, 217.8 -3.0 Aps
EP67B 9.2N, 221.2 -3.0 Aps
EP68B 5.6N, 222.9 -3.0 Aps
EP69B 3.6N, 223.4 -3.0 Aps
EP70B 3.1N, 225.0 -3.0 Aps
EP71B 1.6N, 220.6 -3.0 Aps
EP72B 0.4S, 224.9 -3.0 Aps
EP74B 8.8N, 225.9 -2.5 Aps
EP75B 6.8N, 227.6 -2.5 Aps
EP79B 3.7N, 235.5 -1.6 Apk
IP86B 11.0N, 268.7 -3.5 Aps
IP88B 8.3N, 268.1 -3.5 Aps
IP90B 14.0N, 274.6 -4.5 Hvr
IP92B 8.9N, 272.1 -4.5 Hvr
IP93B 8.2N, 274.6 -4.5 Hvr
IP94B 6.9N, 271.0 -4.5 Hvr
IP95B 5.6N, 272.0 -4.5 Hvr
IP96B 4.6N, 272.3 -4.5 Aps
IP97B 5.7N, 276.6 -4.5 Aps
IP98B 4.7N, 276.4 -4.0 Aps
SM99B 8.1N, 279.7 -4.0 Hs
SM100B 7.1N, 280.3 -2.5 Hs
MER-A, Western Hemisphere
TM1A 4.6N, 7.8 -1.8 Npl2
TM2A 4.0N, 7.1 -1.7 Npl2
TM3A 3.7N, 10.1 -1.7 Npl1
TM4A 4.2N, 13.1 -1.9 Hr
TM5A 2.0N, 11.0 -1.8 Npl1
TM6A 0.9N, 6.6 -1.6 Npl2
TM7A 0.2S, 8.9 -1.9 Hr
TM8A 0.2S, 10.4 -1.9 Hr
TM9A 1.2S, 5.6 -1.3 Npl2
TM10A 2.2S, 6.6 -1.7 Npl2
TM11A 3.4S, 6.9 -1.6 Npl2
TM12A 3.6S, 2.9 -1.3 Npl2
TM13A 2.9S, 10.5 -1.8 Hr
TM14A 3.8S, 10.1 -1.8 Hr
TM15A 8.6S, 6.7 -1.9 S
TM16A 9.4S, 6.6 -1.9 S
TM17A 11.0S, 7.2 -1.4 Npld
XT18A 0.4S, 24.5 -1.8 Npl2
XT19A 1.1S, 25.2 -1.7 Npl2
XT20A 1.0S, 27.7 -1.8 Npl2
XT21A 1.5S, 30.7 -1.7 Npl2
XT22A 4.7S, 16.7 -1.9 Npl1
XT23A 5.4S, 17.7 -1.8 Npl1
XT24A 5.3S, 12.8 -1.9 Npl1
XT25A 5.7S, 12.4 -1.8 Npl1
XT26A 7.7S, 15.5 -1.8 Nplh
XT27A 7.7S, 13.6 -1.5 Npl1
XT28A 7.2S, 11.4 -1.6 Npl1
XT29A 9.3S, 15.5 -1.5 Npl1
XT30A 8.8S, 11.7 -1.4 Npl1
XT31A 10.8S, 15.8 -1.4 Npl1
XT32A 10.7S, 10.7 -1.4 Npl2
XT33A 4.2N, 26.3 -1.4 Npl2
XT34A 1.9S, 22.7 -1.9 Npl2
MER-B, Western Hemisphere, Valles Marineris
VM35A 9.4S, 34.5 -5.0 Hch
VM36A 10.2S, 36.6 -4.5 Hch
VM37A 11.1S, 37.9 -4.0 Hch
VM38A 8.2S, 40.5 -3.5 Hch
VM39A 12.8S, 40.0 -3.5 Hch
VM40A 8.8S, 42.9 -3.5 Hch
VM41A 14.0S, 42.0 -4.0 Hch
VM42A 7.7S, 50.7 -4.5 Avf
VM43A 13.9S, 57.5 -5.5 Avf
VM44A 13.1S, 62.5 -4.5 Avf
VM45A 12.0S, 67.7 -4.5 Avf
VM46A 13.6S, 70.6 -3.5 Avf
VM47A 6.2S, 70.1 -5.0 Avf
VM48A 7.1S, 72.5 -5.0 Avf
VM49A 9.2S, 73.5 -4.0 Avf
VM50A 9.7S, 73.8 -3.5 Avf
VM51A 10.1S, 73.0 -3.5 Avf
VM52A 10.5S, 72.5 -3.5 Avf
VM53A 8.8S, 77.7 -3.5 Avf
MER-B, Eastern Hemisphere
EP54A 11.4S, 181.9 -1.5 Aml
EP55A 14.2S, 184.8 -1.9 Hch
EP56A 14.6S, 188.1 -1.6 Npl1
EP57A 9.0S, 191.4 -3.0 Apk
EP58A 9.9S, 191.5 -3.0 Apk
EP59A 10.4S, 191.6 -2.5 Apk
EP60A 13.1S, 194.1 -1.6 Npl1
EP61A 11.8S, 195.5 -1.9 Apk
EP62A 9.7S, 198.2 -1.8 Apk
EP63A 12.6S, 196.5 -1.6 Npl1
EP64A 14.8S, 197.5 -2.1 Npl1
EP65A 8.7S, 202.6 -1.7 Apk
EP66A 4.0N, 206.5 -3.5 Achu
EP67A 4.6N, 209.6 -3.5 Achu
EP68A 3.5N, 209.2 -3.5 Achu
EP69A 9.3S, 209.5 -1.7 Npl1
EP70A 4.0N, 213.5 -3.5 Achu
EP71A 1.2N, 212.0 -3.5 Achu
EP72A 4.2S, 211.4 -1.7 Aml
EP73A 5.5S, 212.0 -1.7 Aml
EP74A 4.2N, 216.6 -3.5 Achu
EP75A 0.7S, 217.2 -3.5 Aps
EP76A 1.4S, 217.5 -2.5 Aps
EP77A 4.5N, 220.5 -3.5 Aps
EP78A 1.7N, 221.0 -3.5 Aps
EP79A 4.5N, 224.4 -3.5 Aps
EP80A 3.2N, 224.3 -3.5 Aps
EP81A 0.2S, 224.7 -3.5 Aps
EP82A 5.8S, 222.4 -4.5 S
EP83A 3.5N, 234.7 -1.7 Apk
IP84A 4.5N, 271.9 -4.5 Aps
IP85A 4.5N, 271.9 -4.5 Aps