Satellite · NORAD 37931 · COSPAR 2011-068B
SHIYAN-4 (SY-4)
- Operator China Aerospace Science and Technology Corporation
- Constellation Shiyan
- Country China
Altitude now
796.0km
SGP4 propagation
Velocity
7.46km/s
Inclination
98.69°
Period
100.6 min
100.6 min
Perigee
772km
Apogee
803km
orbit freshOrbit updated 9 h ago · element epoch 11 Sept 2026 14:14 UTC (6.9 h old)· Metadata updated 9 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
- 33.201° N
- Longitude
- 152.230° E
- Altitude
- 796.0 km
- Velocity
- 7.457 km/s
- past 45 min
- next 90 min
- first fix from server render · element epoch 11 Sept 2026 14:14 UTC
Mission
Mission & classification
Ownership
Operator & country
- SATCAT owner code
- PRC · People's Republic of China
- Country
- China CN
Launch
Launch
- Launch date
- 20 Nov 2011
- COSPAR launch id
- 2011-068
- Launch site
- Jiuquan Satellite Launch Center
Objects from the same launch · 8
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 7 h ago
CelesTrak SATCATcommunity
Satellite catalog data courtesy of CelesTrak.
last sync 9 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
- 37931
- COSPAR / international designator
- 2011-068B
- SatelliteIndex id
- sat_01M28X2SWWDCTX9MYDGY0F69QE
- Canonical slug
- shiyan-4-sy-4-37931
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.