Satellite · NORAD 54752 · COSPAR 2022-172A
SHIYAN-21 (SY-21)
- Operator China Aerospace Science and Technology Corporation
- Constellation Shiyan
- Country China
Altitude now
481.3km
SGP4 propagation
Velocity
7.63km/s
Inclination
35.99°
Period
94.3 min
94.3 min
Perigee
464km
Apogee
501km
orbit freshOrbit updated 23 h ago · element epoch 11 Sept 2026 11:01 UTC (10.3 h old)· Metadata updated 23 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
- 13.801° S
- Longitude
- 138.502° E
- Altitude
- 481.3 km
- Velocity
- 7.628 km/s
- past 45 min
- next 90 min
- first fix from server render · element epoch 11 Sept 2026 11:01 UTC
Mission
Mission & classification
Ownership
Operator & country
- SATCAT owner code
- PRC · People's Republic of China
- Country
- China CN
Launch
Launch
- Launch date
- 16 Dec 2022
- COSPAR launch id
- 2022-172
- Launch site
- Xichang Satellite Launch Center
Objects from the same launch
No other catalogued object is linked to this launch.
Change log
History
| Field | Change | Source | Date |
|---|---|---|---|
| Owner Code | ∅ → PRC | Celestrak Satcat | 11 Sept 2026 18:53 UTC |
| Orbit Class | ∅ → LEO | 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 20 h ago
CelesTrak SATCATcommunity
Satellite catalog data courtesy of CelesTrak.
last sync 23 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 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
- 54752
- COSPAR / international designator
- 2022-172A
- SatelliteIndex id
- sat_01M28X2SXFY7WYCC27JE3JSKPY
- Canonical slug
- shiyan-21-sy-21-54752
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.