SPTN-200 Satellite Bus
Data current as of 2026-07-20.
The SPTN-200 bus accounts for 8 cataloged objects, of which 0 are in orbit and 0 are active. 8 have reentered. Most are built by GSFC. The largest operator on this bus is NASA. The first launched in 1993, the most recent in 1998.
0
In orbit
0
Active
8
Total launched
8
Reentered
SPTN-200 launched per year
Still in orbit Since reentered Click a year to list its satellites.
Typical specifications
Most common values across cataloged SPTN-200 satellites.
| Manufacturer | GSFC |
|---|---|
| Purpose | UV-Ray Astronomy (Shuttle retrievable) |
| Launch mass | 1350 kg |
| Dry mass | 1350 kg |
| Length | 2.3 m |
| Diameter | 1 m |
| Span | 2.3 m |
| Shape | Box + Cyl |
| Power | Batteries |
| Propulsion | ? |
| Equipment | ? |
Top operators
Top countries
US 8
SPTN-200 satellites
Track any of them live in KeepTrack.
| Name | NORAD | COSPAR | Owner | Launched | Orbit | Status | Track |
|---|---|---|---|---|---|---|---|
| SPARTAN 201 Spartan 201 | 25521 | 1998-064C | GSFC | Nov 1, 1998 | 96 min, 28.5° | Reentered | ◉ |
| SPARTAN 201 Spartan 201 | 25062 | 1997-073B | GSFC | Nov 21, 1997 | 90 min, 28.5° | Reentered | ◉ |
| SPARTAN 207 Spartan 207 | 23871 | 1996-032B | JPL | May 19, 1996 | 90 min, 39.0° | Reentered | ◉ |
| OAST FLYER OAST-Flyer | 23763 | 1996-001B | GSFC | Jan 14, 1996 | 91 min, 28.5° | Reentered | ◉ |
| SPARTAN 201 Spartan 201 | 23668 | 1995-048B | GSFC | Sep 7, 1995 | 92 min, 28.5° | Reentered | ◉ |
| SPARTAN 204 Spartan-204 | 23470 | 1995-004B | NRL | Feb 4, 1995 | 92 min, 51.6° | Reentered | ◉ |
| SPARTAN 201 Spartan 201 | 23253 | 1994-059B | GSFC | Sep 13, 1994 | 89 min, 57.0° | Reentered | ◉ |
| SPARTAN 201 Spartan 201 | 22623 | 1993-023B | GSFC | Apr 11, 1993 | 90 min, 57.0° | Reentered | ◉ |
Frequently asked questions
How many SPTN-200 satellites are there?
The catalog lists 8 objects built on the SPTN-200 bus. 0 are in orbit and 8 have reentered.
How many SPTN-200 satellites are in orbit?
0 SPTN-200 objects are currently in orbit, of which 0 carry an active status.
Who builds the SPTN-200 bus?
The SPTN-200 bus is most commonly built by GSFC.
When did the first SPTN-200 satellite launch?
The first cataloged SPTN-200 satellite launched in 1993, and the most recent in 1998.