Constellations
Satellite constellations
2 constellations tracked in this selection, ranked by active satellites. The 2 shown on this page account for 206 active satellites. Membership is derived from curated name patterns and CelesTrak groups — see the methodology.
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| # | Constellation | Operator | Service | Orbit | Active | On orbit | Total | 365 d | 30 d | Activity derived | Median perigee | First launch | Last launch |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | YaoganCN | China military / Yaogan programme | Military | LEO | 164 | 164 | 173 | 4 | 0 | 0.2 | 555 km | 25 May 2007 | 15 Mar 2026 |
| 2 | Praetorian (Firefly / military rideshare)US | United States Space Force | Military | LEO | 42 | 42 | 42 | 21 | 0 | 5.0 | 937 km | 10 Sept 2025 | 16 Jul 2026 |
2 results