Adv ORION Satellite Bus
Data current as of 2026-07-20.
The Adv ORION bus accounts for 8 cataloged objects, of which 8 are in orbit and 7 are active. Most are built by UNKUS. The largest operator on this bus is National Reconnaissance Office. The first launched in 1995, the most recent in 2024.
8
In orbit
7
Active
8
Total launched
0
Reentered
Adv ORION launched per year
Still in orbit Click a year to list its satellites.
Typical specifications
Most common values across cataloged Adv ORION satellites.
| Manufacturer | UNKUS |
|---|---|
| Purpose | SIGINT, ELINT, COMINT |
| Launch mass | 5000 kg |
| Dry mass | 5000 kg |
| Length | 5 m |
| Diameter | 2.5 m |
| Span | 20 m |
| Shape | Box + 2 Pan |
| Power | Solar arrays, batteries |
| Propulsion | UNK |
| Design life | ? |
| Equipment | ? |
| Typical orbit | 1436 min period, 8° inclination |
Top operators
Top countries
US 8
Adv ORION satellites
Track any of them live in KeepTrack.
| Name | NORAD | COSPAR | Owner | Launched | Orbit | Status | Track |
|---|---|---|---|---|---|---|---|
| USA 353 USA 353 | 59453 | 2024-067A | NROC | Apr 9, 2024 | 1436 min, 7.6° | Active | ◉ |
| USA 345 USA 345 | 57099 | 2023-089A | NROC | Jun 22, 2023 | 1436 min, 3.2° | Active | ◉ |
| USA 311 USA 311 | 47237 | 2020-095A | NROC | Dec 11, 2020 | 1436 min, 4.8° | Active | ◉ |
| USA 223 USA 223 | 37232 | 2010-063A | NROC | Nov 21, 2010 | 1436 min, 7.9° | Active | ◉ |
| USA 202 USA 202 | 33490 | 2009-001A | NROC | Jan 18, 2009 | 1436 min, 7.9° | Active | ◉ |
| USA 171 USA 171 | 27937 | 2003-041A | NROC | Sep 9, 2003 | 1436 min, 14.1° | Active | ◉ |
| USA 139 USA 139 | 25336 | 1998-029A | NROC/NSA | May 9, 1998 | 1436 min, 7.5° | Active | ◉ |
| USA 110 USA 110 | 23567 | 1995-022A | NROC/CIA | May 14, 1995 | 1436 min, 16.0° | Inactive | ◉ |
Frequently asked questions
How many Adv ORION satellites are there?
The catalog lists 8 objects built on the Adv ORION bus. 8 are in orbit and 0 have reentered.
How many Adv ORION satellites are in orbit?
8 Adv ORION objects are currently in orbit, of which 7 carry an active status.
Who builds the Adv ORION bus?
The Adv ORION bus is most commonly built by UNKUS.
When did the first Adv ORION satellite launch?
The first cataloged Adv ORION satellite launched in 1995, and the most recent in 2024.