Pion Satellite Bus
Data current as of 2026-07-20.
The Pion bus accounts for 6 cataloged objects, of which 0 are in orbit and 0 are active. 6 have reentered. Most are built by KAIK. The largest operator on this bus is KAIK/MOM. The first launched in 1989, the most recent in 1992.
0
In orbit
0
Active
6
Total launched
6
Reentered
Pion launched per year
Still in orbit Since reentered Click a year to list its satellites.
Typical specifications
Most common values across cataloged Pion satellites.
| Manufacturer | KAIK |
|---|---|
| Purpose | Atmosphere density, calibration |
| Launch mass | 78 kg |
| Dry mass | 78 kg |
| Length | 0.6 m |
| Diameter | 0.6 m |
| Span | 0.6 m |
| Shape | Sphere |
| Power | Batteries |
| Propulsion | None |
| Design life | 2 months |
| Equipment | Transmitter |
Top operators
KAIK/MOM 4 SGAU/RKA 2
Top countries
SU 4 RU 2
Pion satellites
Track any of them live in KeepTrack.
| Name | NORAD | COSPAR | Owner | Launched | Orbit | Status | Track |
|---|---|---|---|---|---|---|---|
| PION 6 Pion-Germes-2 | 22100 | 1992-056D | SGAU/RKA | Sep 2, 1992 | 87 min, 82.6° | Reentered | ◉ |
| PION 5 Pion-Germes-1 | 22099 | 1992-056C | SGAU/RKA | Sep 1, 1992 | 87 min, 82.5° | Reentered | ◉ |
| PION 4 Pion-4 | 20161 | 1989-055D | KAIK/MOM | Aug 7, 1989 | 87 min, 82.6° | Reentered | ◉ |
| PION 3 Pion-3 | 20160 | 1989-055C | KAIK/MOM | Aug 7, 1989 | 87 min, 82.6° | Reentered | ◉ |
| PION 2 Pion | 20060 | 1989-038D | KAIK/MOM | Jun 9, 1989 | 87 min, 82.3° | Reentered | ◉ |
| PION 1 Pion | 20056 | 1989-038C | KAIK/MOM | Jun 8, 1989 | 87 min, 82.3° | Reentered | ◉ |
Frequently asked questions
How many Pion satellites are there?
The catalog lists 6 objects built on the Pion bus. 0 are in orbit and 6 have reentered.
How many Pion satellites are in orbit?
0 Pion objects are currently in orbit, of which 0 carry an active status.
Who builds the Pion bus?
The Pion bus is most commonly built by KAIK.
When did the first Pion satellite launch?
The first cataloged Pion satellite launched in 1989, and the most recent in 1992.