SSB-2 Satellite Bus
Data current as of 2026-07-20.
The SSB-2 bus accounts for 4 cataloged objects, of which 4 are in orbit and 4 are active. Most are built by ISAC. The largest operator on this bus is Indian Space Research Organisation. The first launched in 2013, the most recent in 2019.
4
In orbit
4
Active
4
Total launched
0
Reentered
SSB-2 launched per year
Still in orbit Click a year to list its satellites.
Typical specifications
Most common values across cataloged SSB-2 satellites.
| Manufacturer | ISAC |
|---|---|
| Purpose | Earth Science |
| Launch mass | 370 kg |
| Dry mass | 350 kg |
| Length | 2.2 m |
| Diameter | 1 m |
| Span | 4 m |
| Shape | Box + 2 pan |
| Power | 2 deployable solar arrays, batteries |
| Propulsion | AOCS |
| Design life | 5 years |
| Equipment | ALTIKA, ARGOS-3 |
| Typical orbit | 97 min period, 98° inclination |
Top operators
Indian Space Research Organisation 3 ISRO/CNES 1
Top countries
IN 4
SSB-2 satellites
Track any of them live in KeepTrack.
| Name | NORAD | COSPAR | Owner | Launched | Orbit | Status | Track |
|---|---|---|---|---|---|---|---|
| EMISAT EMISAT | 44078 | 2019-018A | ISRO | Apr 1, 2019 | 100 min, 98.5° | Active | ◉ |
| HYSIS HySIS | 43719 | 2018-096A | ISRO | Nov 29, 2018 | 97 min, 98.0° | Active | ◉ |
| SCATSAT 1 ScatSat | 41790 | 2016-059H | ISRO | Sep 26, 2016 | 97 min, 98.1° | Active | ◉ |
| SARAL SARAL | 39086 | 2013-009A | ISRO/CNES | Feb 25, 2013 | 100 min, 98.6° | Active | ◉ |
Frequently asked questions
How many SSB-2 satellites are there?
The catalog lists 4 objects built on the SSB-2 bus. 4 are in orbit and 0 have reentered.
How many SSB-2 satellites are in orbit?
4 SSB-2 objects are currently in orbit, of which 4 carry an active status.
Who builds the SSB-2 bus?
The SSB-2 bus is most commonly built by ISAC.
When did the first SSB-2 satellite launch?
The first cataloged SSB-2 satellite launched in 2013, and the most recent in 2019.