SPAS Satellite Bus
Data current as of 2026-07-20.
The SPAS bus accounts for 3 cataloged objects, of which 0 are in orbit and 0 are active. 3 have reentered. Most are built by DASAO. The largest operator on this bus is DLR. The first launched in 1983, the most recent in 1996.
0
In orbit
0
Active
3
Total launched
3
Reentered
SPAS launched per year
Still in orbit Since reentered Click a year to list its satellites.
Typical specifications
Most common values across cataloged SPAS satellites.
| Manufacturer | DASAO |
|---|---|
| Purpose | SDI experiments, retrievable satellite |
| Launch mass | 1448 kg |
| Dry mass | 1448 kg |
| Length | 4.8 m |
| Diameter | 1.5 m |
| Span | 4.8 m |
| Shape | Box + Cyl |
| Power | Batteries |
| Equipment | FUV-Spectrometer, EUV-Spectrometer, IMAPS |
Top operators
DLR 1 MBB 1 SDIO 1
Top countries
D 2 US 1
SPAS satellites
Track any of them live in KeepTrack.
Frequently asked questions
How many SPAS satellites are there?
The catalog lists 3 objects built on the SPAS bus. 0 are in orbit and 3 have reentered.
How many SPAS satellites are in orbit?
0 SPAS objects are currently in orbit, of which 0 carry an active status.
Who builds the SPAS bus?
The SPAS bus is most commonly built by DASAO.
When did the first SPAS satellite launch?
The first cataloged SPAS satellite launched in 1983, and the most recent in 1996.