POPACS Satellite Bus
Data current as of 2026-07-20.
The POPACS bus accounts for 7 cataloged objects, of which 2 are in orbit and 2 are active. 5 have reentered. Most are built by PSC. The largest operator on this bus is POPACS. All were launched in 2013.
2
In orbit
2
Active
7
Total launched
5
Reentered
POPACS launched per year
Still in orbit Since reentered Click a year to list its satellites.
Typical specifications
Most common values across cataloged POPACS satellites.
| Manufacturer | PSC |
|---|---|
| Purpose | Research (Atmospheric density) |
| Launch mass | 1 kg |
| Dry mass | 1 kg |
| Length | 0.1 m |
| Diameter | 0.1 m |
| Span | 0.1 m |
| Shape | Sphere |
| Power | None |
| Propulsion | None |
| Design life | 10, 12.5 and 15 years |
| Typical orbit | 97 min period, 81° inclination |
Top operators
POPACS 3
Top countries
US 7
POPACS satellites
Track any of them live in KeepTrack.
| Name | NORAD | COSPAR | Owner | Launched | Orbit | Status | Track |
|---|---|---|---|---|---|---|---|
| POPACS DEB [SPACER] POPACS Bottom Spacer | 39293 | 2013-055AB | POPACS | Sep 29, 2013 | 89 min, 80.9° | Reentered | ◉ |
| POPACS DEB [SPACER] POPACS Middle Spacer 2 | 39292 | 2013-055AA | POPACS | Sep 29, 2013 | 88 min, 80.9° | Reentered | ◉ |
| POPACS DEB [SPACER] POPACS Middle Spacer 1 | 39290 | 2013-055Y | POPACS | Sep 29, 2013 | 88 min, 80.9° | Reentered | ◉ |
| POPACS DEB [SPACER] POPACS Top Spacer | 39280 | 2013-055R | POPACS | Sep 29, 2013 | 89 min, 80.9° | Reentered | ◉ |
| POPACS 3 POPACS 3 | 39270 | 2013-055F | POPACS | Sep 29, 2013 | 99 min, 81.0° | Active | ◉ |
| POPACS 2 POPACS 2 | 39269 | 2013-055E | POPACS | Sep 29, 2013 | 97 min, 81.0° | Active | ◉ |
| POPACS 1 POPACS 1 | 39268 | 2013-055D | POPACS | Sep 29, 2013 | 89 min, 80.9° | Reentered | ◉ |
Frequently asked questions
How many POPACS satellites are there?
The catalog lists 7 objects built on the POPACS bus. 2 are in orbit and 5 have reentered.
How many POPACS satellites are in orbit?
2 POPACS objects are currently in orbit, of which 2 carry an active status.
Who builds the POPACS bus?
The POPACS bus is most commonly built by PSC.
When did the first POPACS satellite launch?
The cataloged POPACS satellites all launched in 2013.