Mars Surveyor Satellite Bus
Data current as of 2026-07-20.
The Mars Surveyor bus accounts for 4 cataloged objects, of which 1 are in orbit and 0 are active. 3 have reentered. Most are built by LMA/DENV. The largest operator on this bus is NASA. The first launched in 1998, the most recent in 2007.
1
In orbit
0
Active
4
Total launched
3
Reentered
Mars Surveyor launched per year
Still in orbit Since reentered Click a year to list its satellites.
Typical specifications
Most common values across cataloged Mars Surveyor satellites.
| Manufacturer | LMA/DENV |
|---|---|
| Purpose | Mars Lander |
| Launch mass | 354 kg |
| Dry mass | 290 kg |
| Length | 2.2 m |
| Diameter | 1.5 m |
| Span | 5.5 m |
| Shape | Box + 2 Pan |
| Power | Deployable solar array, batteries |
| Propulsion | Leros 1B/X |
| Design life | 1 year (cruise); 3 years (prime mission); still active |
| Equipment | MARCI, PMIRR |
| Typical orbit | 0° inclination |
Top operators
Top countries
US 4
Mars Surveyor satellites
Track any of them live in KeepTrack.
| Name | NORAD | COSPAR | Owner | Launched | Orbit | Status | Track |
|---|---|---|---|---|---|---|---|
| PHOENIX Phoenix | 32003 | 2007-034A | JPL | Aug 4, 2007 | · | Reentered | ◉ |
| MARS ODYSSEY Mars Odyssey | 26734 | 2001-013A | JPL | Apr 7, 2001 | · | Inactive | ◉ |
| MARS POLAR LANDER Mars Polar Lander | 25605 | 1999-001A | JPL | Jan 3, 1999 | · | Reentered | ◉ |
| MARS CLIMATE ORBITER Mars Climate Orbiter | 25571 | 1998-073A | JPL | Dec 11, 1998 | · | Reentered | ◉ |
Frequently asked questions
How many Mars Surveyor satellites are there?
The catalog lists 4 objects built on the Mars Surveyor bus. 1 are in orbit and 3 have reentered.
How many Mars Surveyor satellites are in orbit?
1 Mars Surveyor objects are currently in orbit, of which 0 carry an active status.
Who builds the Mars Surveyor bus?
The Mars Surveyor bus is most commonly built by LMA/DENV.
When did the first Mars Surveyor satellite launch?
The first cataloged Mars Surveyor satellite launched in 1998, and the most recent in 2007.