Satellite · NORAD 5398 · COSPAR 1971-067E
RIGIDSPHERE 2 (LCS 4)
- Operator United States
- Constellation —
- Country United States
Altitude now
796.8km
SGP4 propagation
Velocity
7.44km/s
Inclination
87.62°
Period
100.1 min
100.1 min
Perigee
724km
Apogee
806km
orbit freshOrbit updated 34 min ago · element epoch 14 Sept 2026 04:43 UTC (5.8 h old)· Metadata updated 34 min 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
- 17.494° N
- Longitude
- 17.583° W
- Altitude
- 796.8 km
- Velocity
- 7.441 km/s
- past 45 min
- next 90 min
- first fix from server render · element epoch 14 Sept 2026 04:43 UTC
Mission
Mission & classification
Ownership
Operator & country
- Operator
- —
- SATCAT owner code
- US · United States
- Country
- United States US
Launch
Launch
- Launch date
- 07 Aug 1971
- COSPAR launch id
- 1971-067
Objects from the same launch · 13
- 1971-067 DEB5384DebrisInactive
- 1971-067 DEB5399DebrisDecayed
- 1971-067 DEB5400DebrisDecayed
- 1971-067 DEB5405DebrisDecayed
- CANNONBALL 25382PayloadDecayed
- MUSKETBALL5383PayloadDecayed
- OV1-205394PayloadDecayed
- AVL 802 [MYLAR BALLOON]5396PayloadDecayed
- OV1-215397PayloadUnknown
- GRIDSPHERE 25401PayloadDecayed
- GRIDSPHERE 15406PayloadDecayed
- RIGIDSPHERE 15410PayloadDecayed
Change log
History
| Field | Change | Source | Date |
|---|---|---|---|
| Country Code | ∅ → US | Celestrak Satcat | 11 Sept 2026 18:53 UTC |
| 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 25 min ago
CelesTrak SATCATcommunity
Satellite catalog data courtesy of CelesTrak.
last sync 16 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 | 14 Sept 2026 09:56 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
- 5398
- COSPAR / international designator
- 1971-067E
- SatelliteIndex id
- sat_01M28X2SWS09G5GTPVRR2KEN1P
- Canonical slug
- rigidsphere-2-lcs-4-5398
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.