Skip to content
SatelliteIndex

Rocket body · NORAD 17881 · COSPAR 1987-035B

SL-4 R/B

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

Altitude now

—

object decayed

Velocity

—

Inclination

82.31°

Period

87.2 min

87.2 min

Perigee

128km

Apogee

138km

orbit unavailableNo orbital element set on file — decayed 24 Apr 1987.· Metadata updated 43 h ago

Live position

Live position

Live position unavailable — this object re-entered the atmosphere on 24 Apr 1987 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
12.0 m²

CelesTrak groups

Not listed in any CelesTrak group.

Aliases

  • SL-4 R/BCelestrak Satcat

Ownership

Operator & country

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

Launch

Launch

Launch page →
Launch date
22 Apr 1987
COSPAR launch id
1987-035
Launch site
Plesetsk Cosmodrome

Objects from the same launch · 6

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
17881
COSPAR / international designator
1987-035B
SatelliteIndex id
sat_01M28X3JNZRA8N2828CTVRZTRX
Canonical slug
sl-4-r-b-17881

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.