Satellite · NORAD 10423 · COSPAR 1977-102B
ISEE-2
- Operator European Space Agency
- Constellation —
- Country —
Altitude now
—
object decayed
Velocity
—
Inclination
8.74°
Period
2.4 d
3,438.8 min
Perigee
224km
Apogee
137,956km
orbit unavailableNo orbital element set on file — decayed 26 Sept 1987.· Metadata updated 10 h ago
Live position
Live position
Live position unavailable — this object re-entered the atmosphere on 26 Sept 1987 and is no longer tracked.
Mission
Mission & classification
- Mission type derived
- Unknown
- Object type
- Payload
- SATCAT ops status
- Decayed [D]
- Radar cross-section
- 0.3 m²
CelesTrak groups
Not listed in any CelesTrak group.
Aliases
- ISEE-2Celestrak Satcat
Ownership
Operator & country
- Operator
- European Space Agency
- SATCAT owner code
- ESA · European Space Agency
- Country
- —
Launch
Launch
- Launch date
- 22 Oct 1977
- COSPAR launch id
- 1977-102
Objects from the same launch · 3
- ISEE-110422PayloadDecayed
- DELTA 1 R/B(1)10424Rocket bodyDecayed
- DELTA 1 R/B(2)10425Rocket bodyDecayed
Change log
History
No changes recorded since first ingestion on 11 Sept 2026 18:54 UTC. Status, orbit class, name and ownership changes are logged here as sources are re-ingested.
Regulatory
UN registration
Transparency
Sources & provenance
No source is linked to this record yet — the catalogue row exists but no provenance entry has been written for it.
Field provenance
No field-level provenance recorded.
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
- 10423
- COSPAR / international designator
- 1977-102B
- SatelliteIndex id
- sat_01M28X3JMN5K3TYBWDNRY86WR3
- Canonical slug
- isee-2-10423
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.