Satellite · NORAD 25481 · COSPAR 1998-053G
ORBCOMM FM27
- Operator ORBCOMM
- Constellation ORBCOMM
- Country United States
Altitude now
764.3km
SGP4 propagation
Velocity
7.48km/s
Inclination
45.01°
Period
100.1 min
100.1 min
Perigee
759km
Apogee
763km
orbit agingOrbit updated 8 h ago · element epoch 11 Sept 2026 02:57 UTC (17.2 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
- 34.585° N
- Longitude
- 126.410° E
- Altitude
- 764.3 km
- Velocity
- 7.476 km/s
- past 45 min
- next 90 min
- first fix from server render · element epoch 11 Sept 2026 02:57 UTC
Mission
Mission & classification
Ownership
Operator & country
- Operator
- ORBCOMM
- SATCAT owner code
- ORB · ORBCOMM
- Country
- United States US
Launch
Launch
- Launch date
- 23 Sept 1998
- COSPAR launch id
- 1998-053
- Launch site
- Eastern Range Airspace (air launch)
Objects from the same launch · 9
- ORBCOMM FM2125475PayloadUnknown
- ORBCOMM FM2225476PayloadUnknown
- ORBCOMM FM2325477PayloadUnknown
- ORBCOMM FM2425478PayloadUnknown
- ORBCOMM FM2525479PayloadUnknown
- ORBCOMM FM2625480PayloadUnknown
- ORBCOMM FM2825482PayloadUnknown
- PEGASUS R/B(1)25483Rocket bodyDecayed
- PEGASUS R/B(2)25484Rocket bodyInactive
Change log
History
| Field | Change | Source | Date |
|---|---|---|---|
| Owner Code | ∅ → ORB | 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
- 25481
- COSPAR / international designator
- 1998-053G
- SatelliteIndex id
- sat_01M28X2SWT01QM2JGQ9QTBM239
- Canonical slug
- orbcomm-fm27-25481
Orbit class, mission type and constellation membership are derived by SatelliteIndex (IoT / M2M) — see the methodology. Positions are propagated estimates, not tracking measurements; never use them for conjunction assessment.