Satellite · NORAD 66515 · COSPAR 2025-246C
SZ-21 MODULE
- Operator NASA
- Constellation International Space Station
- Country China
Altitude now
323.8km
SGP4 propagation
Velocity
7.71km/s
Inclination
41.47°
Period
90.9 min
90.9 min
Perigee
309km
Apogee
325km
orbit freshOrbit updated 8 h ago · element epoch 11 Sept 2026 08:22 UTC (11.1 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
- 29.628° N
- Longitude
- 18.779° W
- Altitude
- 323.8 km
- Velocity
- 7.715 km/s
- past 45 min
- next 90 min
- first fix from server render · element epoch 11 Sept 2026 08:22 UTC
Mission
Mission & classification
Ownership
Operator & country
Launch
Launch
- Launch date
- 31 Oct 2025
- COSPAR launch id
- 2025-246
- Launch site
- Jiuquan Satellite Launch Center
Objects from the same launch · 2
- SHENZHOU-21 (SZ-21)66263PayloadDecayed
- CZ-2F R/B66264Rocket bodyDecayed
Change log
History
| Field | Change | Source | Date |
|---|---|---|---|
| Operator Id | ∅ → org_01M28X1Z8FGK6KD7X9VC78HP12 | Celestrak | 11 Sept 2026 18:56 UTC |
| Constellation Id | ∅ → con_01M28X1Z9ZMNHAWPJKHMQQC62G | Celestrak | 11 Sept 2026 18:56 UTC |
| Country Code | ∅ → CN | Celestrak Satcat | 11 Sept 2026 18:53 UTC |
| 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 8 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 18:53 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
- 66515
- COSPAR / international designator
- 2025-246C
- SatelliteIndex id
- sat_01M28X2SYS4V4FRKFNTFA1JAQF
- Canonical slug
- sz-21-module-66515
Orbit class, mission type and constellation membership are derived by SatelliteIndex (Space station) — see the methodology. Positions are propagated estimates, not tracking measurements; never use them for conjunction assessment.