Satellite · NORAD 49330 · COSPAR 2021-094A
SHIJIAN-21 (SJ-21)
- Operator China Aerospace Science and Technology Corporation
- Constellation Shijian
- Country China
Altitude now
35,994.0km
SGP4 propagation
Velocity
3.06km/s
Inclination
5.31°
Period
23.9 h
1,436.2 min
Perigee
35,562km
Apogee
36,014km
orbit freshOrbit updated 8 h ago · element epoch 11 Sept 2026 12:19 UTC (8.8 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
- 1.303° N
- Longitude
- 127.640° E
- Altitude
- 35994.0 km
- Velocity
- 3.060 km/s
- past 45 min
- next 90 min
- first fix from server render · element epoch 11 Sept 2026 12:19 UTC
Mission
Mission & classification
Ownership
Operator & country
- SATCAT owner code
- PRC · People's Republic of China
- Country
- China CN
Launch
Launch
- Launch date
- 24 Oct 2021
- COSPAR launch id
- 2021-094
- Launch site
- Xichang Satellite Launch Center
Objects from the same launch · 2
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 6 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 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
- 49330
- COSPAR / international designator
- 2021-094A
- SatelliteIndex id
- sat_01M28X2SX6ZKY69SEDSB71WND5
- Canonical slug
- shijian-21-sj-21-49330
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.