Mariner Satellite Bus
Data current as of 2026-07-20.
The Mariner bus accounts for 7 cataloged objects, of which 7 are in orbit and 0 are active. Most are built by JPL. The largest operator on this bus is NASA. The first launched in 1964, the most recent in 1973.
7
In orbit
0
Active
7
Total launched
0
Reentered
Mariner launched per year
Still in orbit Click a year to list its satellites.
Typical specifications
Most common values across cataloged Mariner satellites.
| Manufacturer | JPL |
|---|---|
| Launch mass | 261 kg |
| Dry mass | 235 kg |
| Length | 2.9 m |
| Diameter | 1.4 m |
| Span | 6.9 m |
| Shape | Oct Cyl + 4 Pan |
| Propulsion | MRE-50 |
Top operators
Top countries
US 7
Mariner satellites
Track any of them live in KeepTrack.
| Name | NORAD | COSPAR | Owner | Launched | Orbit | Status | Track |
|---|---|---|---|---|---|---|---|
| MARINER 10 (MVM-73) Mariner 10 | 06919 | · | JPL | Nov 3, 1973 | · | Inactive | ◉ |
| MARINER 9 Mariner 9 | 05261 | · | JPL | May 30, 1971 | · | Inactive | ◉ |
| MARINER 7 Mariner 7 | 03837 | · | JPL | Mar 27, 1969 | · | Inactive | ◉ |
| MARINER 6 Mariner 6 | 03759 | · | JPL | Feb 25, 1969 | · | Inactive | ◉ |
| MARINER 5 Mariner 5 | 02845 | · | JPL | Jun 14, 1967 | · | Inactive | ◉ |
| MARINER 4 Mariner 4 | 00938 | · | JPL | Nov 28, 1964 | · | Inactive | ◉ |
| MARINER 3 Mariner 3 | 00923 | · | JPL | Nov 5, 1964 | · | Inactive | ◉ |
Frequently asked questions
How many Mariner satellites are there?
The catalog lists 7 objects built on the Mariner bus. 7 are in orbit and 0 have reentered.
How many Mariner satellites are in orbit?
7 Mariner objects are currently in orbit, of which 0 carry an active status.
Who builds the Mariner bus?
The Mariner bus is most commonly built by JPL.
When did the first Mariner satellite launch?
The first cataloged Mariner satellite launched in 1964, and the most recent in 1973.