Satellite · NORAD 49458 · COSPAR 2021-104BC
STARLINK-3156
- Operator SpaceX
- Constellation Starlink
- Country United States
Altitude now
476.3km
SGP4 propagation
Velocity
7.63km/s
Inclination
53.16°
Period
93.9 min
93.9 min
Perigee
465km
Apogee
466km
orbit agingOrbit updated 9 h ago · element epoch 11 Sept 2026 00:17 UTC (28.0 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
- 33.315° S
- Longitude
- 6.242° E
- Altitude
- 476.3 km
- Velocity
- 7.627 km/s
- past 45 min
- next 90 min
- first fix from server render · element epoch 11 Sept 2026 00:17 UTC
Mission
Mission & classification
Ownership
Operator & country
- Operator
- SpaceX
- SATCAT owner code
- US · United States
- Country
- United States US
Launch
Launch
- Launch date
- 13 Nov 2021
- COSPAR launch id
- 2021-104
Objects from the same launch · 40+
- FALCON 9 DEB49461DebrisDecayed
- FALCON 9 DEB49462DebrisDecayed
- FALCON 9 DEB49463DebrisDecayed
- FALCON 9 DEB49468DebrisDecayed
- STARLINK-315149408PayloadDecayed
- STARLINK-307549409PayloadActive
- STARLINK-314749410PayloadActive
- STARLINK-316249411PayloadActive
- STARLINK-314449412PayloadDecayed
- STARLINK-315749413PayloadActive
- STARLINK-314649414PayloadActive
- STARLINK-315949415PayloadActive
Change log
History
| Field | Change | Source | Date |
|---|---|---|---|
| Owner Code | ∅ → US | 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 1 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 | 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% |
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
- 49458
- COSPAR / international designator
- 2021-104BC
- SatelliteIndex id
- sat_01M28X2SX7AZFC54PF92GAHP39
- Canonical slug
- starlink-3156-49458
Orbit class, mission type and constellation membership are derived by SatelliteIndex (Communications) — see the methodology. Positions are propagated estimates, not tracking measurements; never use them for conjunction assessment.