Satellite · NORAD 40748 · COSPAR 2015-037A
BEIDOU-3S M2S
- Operator China Satellite Navigation Office
- Constellation BeiDou
- Country China
Altitude now
21,565.6km
SGP4 propagation
Velocity
3.78km/s
Inclination
54.79°
Period
12.9 h
773.2 min
Perigee
21,496km
Apogee
21,560km
orbit agingOrbit updated 8 h ago · element epoch 11 Sept 2026 05:38 UTC (15.2 h old)· Metadata updated 8 h ago
Live position
Ground track & current position
Propagated client-side every 5 s from the latest element set (SGP4). Accuracy degrades with element age.
Loading ground track…
- Latitude
- 48.186° N
- Longitude
- 46.820° E
- Altitude
- 21565.6 km
- Velocity
- 3.776 km/s
- past 45 min
- next 90 min
- first fix from server render · element epoch 11 Sept 2026 05:38 UTC
Mission
Mission & classification
Ownership
Operator & country
- SATCAT owner code
- PRC · People's Republic of China
- Country
- China CN
Launch
Launch
- Launch date
- 25 Jul 2015
- COSPAR launch id
- 2015-037
- Launch site
- Xichang Satellite Launch Center
Objects from the same launch · 3
- BEIDOU-3S M1S40749PayloadInactive
- CZ-3B R/B40750Rocket bodyDecayed
- YZ-1 R/B40751Rocket bodyInactive
Change log
History
| Field | Change | Source | Date |
|---|---|---|---|
| Status | ACTIVE → INACTIVE | Celestrak Satcat | 11 Sept 2026 18:53 UTC |
| Owner Code | ∅ → PRC | Celestrak Satcat | 11 Sept 2026 18:53 UTC |
| Orbit Class | ∅ → MEO | Celestrak | 11 Sept 2026 18:53 UTC |
Regulatory
UN registration
Transparency
Sources & provenance
CelesTrakcommunity
Orbital data courtesy of CelesTrak (Dr. T.S. Kelso).
last sync 8 h ago
CelesTrak SATCATcommunity
Satellite catalog data courtesy of CelesTrak.
last sync 8 h ago
Field provenance
| Field | Source | Observed | Confidence |
|---|---|---|---|
| Canonical Name | CelesTrak SATCAT | 11 Sept 2026 18:53 UTC | 100% |
| Decay Date | CelesTrak SATCAT | 11 Sept 2026 18:53 UTC | 100% |
| Launch Date | CelesTrak SATCAT | 11 Sept 2026 18:53 UTC | 100% |
| Object Type | CelesTrak SATCAT | 11 Sept 2026 18:53 UTC | 100% |
| Orbital Elements | CelesTrak | 11 Sept 2026 18:53 UTC | 100% |
| Owner Code | CelesTrak SATCAT | 11 Sept 2026 18:53 UTC | 100% |
| Status | CelesTrak SATCAT | 11 Sept 2026 18:53 UTC | 100% |
Timeline
Events
11 Sept 2026 18:53 UTC
DecommissionBEIDOU-3S M2S reported inactive
SATCAT status changed ? → S.
confidence 80%
Reference
Identifiers
- NORAD catalogue number
- 40748
- COSPAR / international designator
- 2015-037A
- SatelliteIndex id
- sat_01M28X2SWX4DFCTBNEK87EKHBD
- Canonical slug
- beidou-3s-m2s-40748
Orbit class, mission type and constellation membership are derived by SatelliteIndex (Navigation) — see the methodology. Positions are propagated estimates, not tracking measurements; never use them for conjunction assessment.