Satellite · NORAD 47321 · COSPAR 2021-003A
TIANTONG-1 3
- Operator People's Republic of China
- Constellation —
- Country China
Altitude now
35,779.1km
SGP4 propagation
Velocity
3.08km/s
Inclination
1.70°
Period
23.9 h
1,436.1 min
Perigee
35,773km
Apogee
35,801km
orbit freshOrbit updated 3 h ago · element epoch 11 Sept 2026 21:11 UTC (6.6 h old)· Metadata updated 3 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
- 0.966° N
- Longitude
- 81.490° E
- Altitude
- 35779.1 km
- Velocity
- 3.075 km/s
- past 45 min
- next 90 min
- first fix from server render · element epoch 11 Sept 2026 21:11 UTC
Mission
Mission & classification
Ownership
Operator & country
- Operator
- —
- SATCAT owner code
- PRC · People's Republic of China
- Country
- China CN
Launch
Launch
- Launch date
- 19 Jan 2021
- COSPAR launch id
- 2021-003
- Launch site
- Xichang Satellite Launch Center
Objects from the same launch · 1
- CZ-3B R/B47322Rocket bodyDecayed
Change log
History
| Field | Change | Source | Date |
|---|---|---|---|
| Country Code | ∅ → CN | Celestrak Satcat | 11 Sept 2026 18:53 UTC |
| 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 41 min 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 | 12 Sept 2026 03:03 UTC | 100% |
| Owner Code | CelesTrak SATCAT | 11 Sept 2026 18:53 UTC | 100% |
| Status | CelesTrak SATCAT | 11 Sept 2026 18:53 UTC | 100% |
Quality flags
- UNKNOWN_OPERATORactive payload without resolved operator11 Sept 2026
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
- 47321
- COSPAR / international designator
- 2021-003A
- SatelliteIndex id
- sat_01M28X2SX2MW147E7D5J081AAX
- Canonical slug
- tiantong-1-3-47321
Orbit class, mission type and constellation membership are derived by SatelliteIndex (Unknown) — see the methodology. Positions are propagated estimates, not tracking measurements; never use them for conjunction assessment.