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SatelliteIndex

Rocket body · NORAD 21129 · COSPAR 1991-010F

SL-12 R/B(2)

InactiveRocket bodyGEORocket body derived
  • Operator Commonwealth of Independent States (former USSR)
  • Constellation —
  • Country Russia

Altitude now

—

no element set

Velocity

—

Inclination

13.10°

Period

24.0 h

1,438.1 min

Perigee

35,747km

Apogee

35,903km

orbit unavailableNo orbital element set on file.· Metadata updated 13 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
Rocket body
Object type
Rocket body
Radar cross-section
3.1 m²

CelesTrak groups

Not listed in any CelesTrak group.

Aliases

  • SL-12 R/B(2)Celestrak Satcat

Ownership

Operator & country

Operator
—
SATCAT owner code
CIS · Commonwealth of Independent States (former USSR)
Country
Russia RU

Launch

Launch

Launch page →
Launch date
14 Feb 1991
COSPAR launch id
1991-010
Launch site
Baikonur Cosmodrome (Tyuratam)

Objects from the same launch · 8

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

UN Register of Objects Launched into Outer Space (UNOOSA) — connector planned, not yet ingested; registration unavailable

Transparency

Sources & provenance

All sources →

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

All 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
21129
COSPAR / international designator
1991-010F
SatelliteIndex id
sat_01M28X3JPHMZEEK2X1REP5E481
Canonical slug
sl-12-r-b-2-21129

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.