Leostar-2 Satellite Bus
Data current as of 2026-07-21.
The Leostar-2 bus accounts for 7 cataloged objects, of which 5 are in orbit and 4 are active. 2 have reentered. Most are built by OSCD. The largest operator on this bus is NASA. The first launched in 2003, the most recent in 2021.
5
In orbit
4
Active
7
Total launched
2
Reentered
Leostar-2 launched per year
Still in orbit Since reentered Click a year to list its satellites.
Typical specifications
Most common values across cataloged Leostar-2 satellites.
| Manufacturer | OSCD |
|---|---|
| Purpose | Astronomy, UV |
| Launch mass | 250 kg |
| Dry mass | 250 kg |
| Length | 1.5 m |
| Diameter | 1.2 m |
| Span | 11.1 m |
| Shape | Box + 2 Pan |
| Power | 2 deployable solar arrays, batteries |
| Propulsion | ? |
| Design life | 2 years |
| Equipment | 2 co-aligned hard X-ray telescopes |
| Typical orbit | 95 min period, 6° inclination |
Top operators
Top countries
US 7
Leostar-2 satellites
Track any of them live in KeepTrack.
| Name | NORAD | COSPAR | Owner | Launched | Orbit | Status | Track |
|---|---|---|---|---|---|---|---|
| ODYSSEY Odyssey | 48844 | 2021-051A | SMC | Jun 13, 2021 | 87 min, 97.5° | Reentered | ◉ |
| TESS TESS | 43435 | 2018-038A | GSFC | Apr 18, 2018 | 19686 min, 56.8° | Active | ◉ |
| OCO 2 OCO-2 | 40059 | 2014-035A | GSFC | Jul 2, 2014 | 99 min, 98.2° | Active | ◉ |
| NUSTAR NuSTAR | 38358 | 2012-031A | GSFC/JPL | Jun 13, 2012 | 95 min, 6.0° | Active | ◉ |
| ORBVIEW 3 Orbview-3 | 27838 | 2003-030A | ORBI | Jun 26, 2003 | 89 min, 97.0° | Reentered | ◉ |
| GALEX GALEX | 27783 | 2003-017A | GSFC | Apr 28, 2003 | 98 min, 29.0° | Inactive | ◉ |
| SORCE SORCE | 27651 | 2003-004A | GSFC | Jan 25, 2003 | 96 min, 40.0° | Active | ◉ |
Frequently asked questions
How many Leostar-2 satellites are there?
The catalog lists 7 objects built on the Leostar-2 bus. 5 are in orbit and 2 have reentered.
How many Leostar-2 satellites are in orbit?
5 Leostar-2 objects are currently in orbit, of which 4 carry an active status.
Who builds the Leostar-2 bus?
The Leostar-2 bus is most commonly built by OSCD.
When did the first Leostar-2 satellite launch?
The first cataloged Leostar-2 satellite launched in 2003, and the most recent in 2021.