Rocket body · NORAD 21555 · COSPAR 1991-047D
DELTA 2 R/B(2) [PAM-D]
- Operator United States
- Constellation —
- Country United States
Altitude now
—
object decayed
Velocity
—
Inclination
34.36°
Period
90.0 min
90.0 min
Perigee
128km
Apogee
421km
orbit unavailableNo orbital element set on file — decayed 11 Sept 1995.· Metadata updated 11 h ago
Live position
Live position
Live position unavailable — this object re-entered the atmosphere on 11 Sept 1995 and is no longer tracked.
Mission
Mission & classification
- Mission type derived
- Rocket body
- Object type
- Rocket body
- SATCAT ops status
- Decayed [D]
- Radar cross-section
- 2.9 m²
CelesTrak groups
Not listed in any CelesTrak group.
Aliases
- DELTA 2 R/B(2) [PAM-D]Celestrak Satcat
Ownership
Operator & country
- Operator
- —
- SATCAT owner code
- US · United States
- Country
- United States US
Launch
Launch
- Launch date
- 04 Jul 1991
- COSPAR launch id
- 1991-047
Objects from the same launch · 5
- DELTA 2 DEB23563DebrisDecayed
- DELTA 2 DEB26793DebrisDecayed
- NAVSTAR 23 (USA 71)21552PayloadUnknown
- LOSAT X21553PayloadDecayed
- DELTA 2 R/B(1)21554Rocket 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
- 21555
- COSPAR / international designator
- 1991-047D
- SatelliteIndex id
- sat_01M28X3JPKDVSSD2Y60ZHP1X0D
- Canonical slug
- delta-2-r-b-2-pam-d-21555
Orbit class, mission type and constellation membership are derived by SatelliteIndex (Rocket body) — see the methodology. Positions are propagated estimates, not tracking measurements; never use them for conjunction assessment.