In orbitRocket body

SL-6 R/B(2)

NORAD: 10089
COSPAR: 1977-047D

OrbitalWiki publishes live orbits for active satellites only. This object is in the full catalogue: who launched it, what it is and its last published orbit are below, but there are no current orbital elements for it here.

Spacecraft

Built by: NPO Energiya
Owner: Strategic Rocket Forces
Platform (bus): Blok-L
Mass at launch: 4,500 kg(estimate, good to about 20%)
Dry mass: 1,000 kg(estimate, good to about 20%)
Total mass with attached parts: 1,000 kg(estimate, good to about 20%)
Length: 3.3 m
Diameter: 2.4 m
Span with arrays and booms: 3.3 m
Shape: Cyl

From GCAT by Jonathan McDowell (CC BY 4.0), record S10089, checked 2026-11-05. About this source

Launch

Launch date: 1977-06-16
Rocket: Molniya 8K78M 2BL
Flight: Kosmos-917
Mission name: Oko
Launch site: NIIP-53, LC43/4
Launched by: Strategic Rocket Forces
Rocket performance: Success
Launch designator: 1977-047

From the GCAT launch log, launch 1977-047, checked 2026-11-05. About this source

Catalogue record

Object type: Rocket body
Owner code: CIS
Launch date: 1977-06-16
Period: 722.4 min
Inclination: 67.07°
Apogee: 35,493 km
Perigee: 5,089 km
Radar cross-section: 4.8439 m²

From CelesTrak SATCAT, checked 2026-11-05. About this source

Where it came from

Parent object: SL-6 R/B(1) (NORAD 10060)
Catalogued pieces that came from it: 2

The object this one was attached to at launch, or broke off from, as GCAT records it.

Everything from this launch

Debris17 in total, 13 still in orbit
Payload1 in total, 0 still in orbit
Rocket body2 in total, 1 still in orbit