Satellite · NORAD 50321 · COSPAR 2021-129A
SHIYAN-12 01 (SY-12 01)
- Operator China Aerospace Science and Technology Corporation
- Constellation Shiyan
- Country China
Altitude now
35,730.4km
SGP4 propagation
Velocity
3.08km/s
Inclination
3.89°
Period
23.9 h
1,433.2 min
Perigee
35,723km
Apogee
35,737km
orbit agingOrbit updated 2 d ago · element epoch 10 Sept 2026 18:25 UTC (26.7 h old)· Metadata updated 2 d 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
- 3.893° S
- Longitude
- 39.214° E
- Altitude
- 35730.4 km
- Velocity
- 3.077 km/s
- past 45 min
- next 90 min
- first fix from server render · element epoch 10 Sept 2026 18:25 UTC
Mission
Mission & classification
Ownership
Operator & country
- SATCAT owner code
- PRC · People's Republic of China
- Country
- China CN
Launch
Launch
- Launch date
- 23 Dec 2021
- COSPAR launch id
- 2021-129
- Launch site
- Wenchang Space Launch Site, Hainan
Objects from the same launch · 3
- CZ-7A DEB50324DebrisDecayed
- SHIYAN-12 02 (SY-12 02)50322PayloadActive
- CZ-7A R/B50323Rocket bodyDecayed
Change log
History
| Field | Change | Source | Date |
|---|---|---|---|
| Owner Code | ∅ → PRC | Celestrak Satcat | 11 Sept 2026 18:53 UTC |
| Orbit Class | ∅ → GEO | 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 2 d ago
CelesTrak SATCATcommunity
Satellite catalog data courtesy of CelesTrak.
last sync 2 d 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 20:57 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
No events detected for this object yet. Launches, decays and orbit changes are generated by the derived-analytics connector.
Reference
Identifiers
- NORAD catalogue number
- 50321
- COSPAR / international designator
- 2021-129A
- SatelliteIndex id
- sat_01M28X2SX7AZFC54PF92GAHP6J
- Canonical slug
- shiyan-12-01-sy-12-01-50321
Orbit class, mission type and constellation membership are derived by SatelliteIndex (Technology) — see the methodology. Positions are propagated estimates, not tracking measurements; never use them for conjunction assessment.