Satellite · NORAD 16273 · COSPAR 1985-109A
STS 61B
- Operator United States
- Constellation —
- Country United States
Altitude now
—
object decayed
Velocity
—
Inclination
28.47°
Period
91.6 min
91.6 min
Perigee
323km
Apogee
385km
orbit unavailableNo orbital element set on file — decayed 03 Dec 1985.· Metadata updated 8 h ago
Live position
Live position
Live position unavailable — this object re-entered the atmosphere on 03 Dec 1985 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
- STS 61BCelestrak Satcat
Ownership
Operator & country
- Operator
- —
- SATCAT owner code
- US · United States
- Country
- United States US
Launch
Launch
- Launch date
- 27 Nov 1985
- COSPAR launch id
- 1985-109
Objects from the same launch · 7
- MORELOS 216274PayloadUnknown
- OPTUS A2 (AUSSAT 2)16275PayloadUnknown
- SATCOM K216276PayloadUnknown
- STS 61B OEX TARGET16277PayloadDecayed
- MORELOS 2 R/B [PAM-D]16293Rocket bodyInactive
- OPTUS A2 R/B [PAM-D]16294Rocket bodyInactive
- SATCOM K2 R/B [PAM-D2]16295Rocket bodyInactive
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
- 16273
- COSPAR / international designator
- 1985-109A
- SatelliteIndex id
- sat_01M28X3JNPWAC861BB3PEBHJ60
- Canonical slug
- sts-61b-16273
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.