Satellite · NORAD 21702 · COSPAR 1991-064A
COSMOS 2155
- Operator Russian Ministry of Defence
- Constellation Kosmos (Russian military / government)
- Country Russia
Altitude now
—
no element set
Velocity
—
Inclination
13.05°
Period
23.9 h
1,436.5 min
Perigee
35,778km
Apogee
35,812km
orbit unavailableNo orbital element set on file.· Metadata updated 9 h ago
Live position
Live position
Live position unavailable — no public orbital element set exists for this object (it may be classified, untracked or too small to catalogue).
Mission
Mission & classification
- Mission type derived
- Military
- Object type
- Payload
- SATCAT ops status
- Non-operational [-]
- Radar cross-section
- 5.0 m²
- Constellation membership derived
- Kosmos (Russian military / government) via name_pattern
CelesTrak groups
Not listed in any CelesTrak group.
Aliases
- COSMOS 2155Celestrak Satcat
Ownership
Operator & country
- Operator
- Russian Ministry of Defence
- SATCAT owner code
- CIS · Commonwealth of Independent States (former USSR)
- Country
- Russia RU
Launch
Launch
- Launch date
- 13 Sept 1991
- COSPAR launch id
- 1991-064
- Launch site
- Baikonur Cosmodrome (Tyuratam)
Objects from the same launch · 5
- SL-12 PLAT21704DebrisDecayed
- SL-12 R/B(2)21703Rocket bodyInactive
- SL-12 R/B(1)21705Rocket bodyDecayed
- SL-12 R/B(AUX MOTOR)21739Rocket bodyDecayed
- SL-12 R/B(AUX MOTOR)21740Rocket 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
- 21702
- COSPAR / international designator
- 1991-064A
- SatelliteIndex id
- sat_01M28X3JPMVTQKJ42K3VE70XQP
- Canonical slug
- cosmos-2155-21702
Orbit class, mission type and constellation membership are derived by SatelliteIndex (Military) — see the methodology. Positions are propagated estimates, not tracking measurements; never use them for conjunction assessment.