SSTL-150 Satellite Bus
Data current as of 2026-07-20.
The SSTL-150 bus accounts for 12 cataloged objects, of which 11 are in orbit and 4 are active. 1 have reentered. Most are built by SSTL. The largest operator on this bus is REYE. The first launched in 2005, the most recent in 2019.
11
In orbit
4
Active
12
Total launched
1
Reentered
SSTL-150 launched per year
Still in orbit Since reentered Click a year to list its satellites.
Typical specifications
Most common values across cataloged SSTL-150 satellites.
| Manufacturer | SSTL |
|---|---|
| Purpose | Earth observation |
| Launch mass | 152 kg |
| Dry mass | 140 kg |
| Length | 1 m |
| Diameter | 0.8 m |
| Span | 1 m |
| Shape | Hept Cyl |
| Power | Solar cells, batteries |
| Propulsion | ? |
| Design life | 7 years |
| Equipment | CCD-based earth imaging system |
| Typical orbit | 96 min period, 97° inclination |
Top operators
REYE 5 AFSMC 1 BLMIT 1 DRDC/DND 1 GACO 1 KAZK 1 MOD 1 UKTSB 1
Top countries
D 5 UK 2 US 2 CA 1 CN 1 KZ 1
SSTL-150 satellites
Track any of them live in KeepTrack.
| Name | NORAD | COSPAR | Owner | Launched | Orbit | Status | Track |
|---|---|---|---|---|---|---|---|
| OTB OTB | 44341 | 2019-036C | GACO | Jun 25, 2019 | 99 min, 24.0° | Active | ◉ |
| TECHDEMOSAT-1 (TDS-1) TDS-1 | 40076 | 2014-037H | UKTSB | Jul 8, 2014 | 95 min, 98.4° | Inactive | ◉ |
| KAZEOSAT 2 KazEOSat-2 | 40010 | 2014-033A | KAZK | Jun 19, 2014 | 97 min, 97.5° | Active | ◉ |
| SAPPHIRE Sapphire | 39088 | 2013-009C | DRDC/DND | Feb 25, 2013 | 100 min, 98.4° | Active | ◉ |
| RAPIDEYE 4 Choros | 33316 | 2008-040E | REYE | Aug 29, 2008 | 96 min, 97.4° | Inactive | ◉ |
| RAPIDEYE 3 Choma | 33315 | 2008-040D | REYE | Aug 29, 2008 | 96 min, 97.4° | Inactive | ◉ |
| RAPIDEYE 1 Tachys | 33314 | 2008-040C | REYE | Aug 29, 2008 | 96 min, 97.4° | Inactive | ◉ |
| RAPIDEYE 5 Trochia | 33313 | 2008-040B | REYE | Aug 29, 2008 | 96 min, 97.4° | Inactive | ◉ |
| RAPIDEYE 2 Mati | 33312 | 2008-040A | REYE | Aug 29, 2008 | 96 min, 97.4° | Inactive | ◉ |
| CFESAT CFESat | 30777 | 2007-006F | AFSMC | Mar 9, 2007 | 87 min, 35.4° | Reentered | ◉ |
| TOPSAT Topsat | 28891 | 2005-043B | MOD | Oct 27, 2005 | 98 min, 98.3° | Inactive | ◉ |
| BEIJING 1 Beijing-1 | 28890 | 2005-043A | BLMIT | Oct 27, 2005 | 98 min, 98.3° | Active | ◉ |
Frequently asked questions
How many SSTL-150 satellites are there?
The catalog lists 12 objects built on the SSTL-150 bus. 11 are in orbit and 1 have reentered.
How many SSTL-150 satellites are in orbit?
11 SSTL-150 objects are currently in orbit, of which 4 carry an active status.
Who builds the SSTL-150 bus?
The SSTL-150 bus is most commonly built by SSTL.
When did the first SSTL-150 satellite launch?
The first cataloged SSTL-150 satellite launched in 2005, and the most recent in 2019.