NOSS MSD Satellite Bus
Data current as of 2026-07-20.
The NOSS MSD bus accounts for 9 cataloged objects, of which 8 are in orbit and 0 are active. 1 have reentered. Most are built by MM. The largest operator on this bus is National Reconnaissance Office. The first launched in 1976, the most recent in 1987.
8
In orbit
0
Active
9
Total launched
1
Reentered
NOSS MSD launched per year
Still in orbit Since reentered Click a year to list its satellites.
Typical specifications
Most common values across cataloged NOSS MSD satellites.
| Manufacturer | MM |
|---|---|
| Purpose | Ocean Surveillance Launch Dispenser |
| Launch mass | 559 kg |
| Dry mass | 559 kg |
| Length | 1.6 m |
| Diameter | 1.5 m |
| Span | 2.7 m |
| Shape | Box + Ant |
| Propulsion | FW-4D ? |
| Equipment | ? |
| Typical orbit | 102 min period, 63° inclination |
Top operators
Top countries
US 9
NOSS MSD satellites
Track any of them live in KeepTrack.
| Name | NORAD | COSPAR | Owner | Launched | Orbit | Status | Track |
|---|---|---|---|---|---|---|---|
| USA 22 DEB deb USA 22 | 44301 | 1987-043J | NRO/NRL | May 15, 1987 | 89 min, 63.2° | Reentered | ◉ |
| USA 22 USA-22 | 17997 | 1987-043A | NRO/NRL | May 15, 1987 | 102 min, 63.3° | Inactive | ◉ |
| USA 15 USA-15 | 16591 | 1986-014A | NRO/NRL | Feb 9, 1986 | 102 min, 63.3° | Inactive | ◉ |
| OPS 8737 OPS 8737 | 14690 | 1984-012A | NRO/NRL | Feb 5, 1984 | 102 min, 63.3° | Inactive | ◉ |
| OPS 6432 OPS 6432 | 14112 | 1983-056A | NRO/NRL | Jun 9, 1983 | 104 min, 63.3° | Inactive | ◉ |
| OPS 0252 OPS 0252 | 13791 | 1983-008A | NRO/NRL | Feb 9, 1983 | 104 min, 63.3° | Inactive | ◉ |
| OPS 7245 OPS 7245 | 11720 | 1980-019A | NRO/NRL | Mar 3, 1980 | 107 min, 63.5° | Inactive | ◉ |
| OPS 8781 OPS 8781 | 10502 | 1977-112A | NRO/NRL | Dec 8, 1977 | 102 min, 63.3° | Inactive | ◉ |
| OPS 6431 OPS 6431 | 08818 | 1976-038A | NRO/NRL | Apr 30, 1976 | 103 min, 63.4° | Inactive | ◉ |
Frequently asked questions
How many NOSS MSD satellites are there?
The catalog lists 9 objects built on the NOSS MSD bus. 8 are in orbit and 1 have reentered.
How many NOSS MSD satellites are in orbit?
8 NOSS MSD objects are currently in orbit, of which 0 carry an active status.
Who builds the NOSS MSD bus?
The NOSS MSD bus is most commonly built by MM.
When did the first NOSS MSD satellite launch?
The first cataloged NOSS MSD satellite launched in 1976, and the most recent in 1987.