Constellations
Satellite constellations
2 constellations tracked in this selection, ranked by active satellites. The 2 shown on this page account for 23 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 | Tianmu-1CN | China Aerospace Science and Technology Corporation | Weather | LEO | 20 | 20 | 20 | 0 | 0 | 0.0 | 471 km | 22 Mar 2023 | 05 Jan 2024 |
| 2 | NOAA POES / JPSSUS | NOAA | Weather | LEO | 3 | 22 | 22 | 0 | 0 | 0.0 | 826 km | 11 Dec 1970 | 10 Nov 2022 |
2 results