In orbitDebris

COSMOS 1736 FUEL CORE

NORAD: 16809
COSPAR: 1986-024E

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: TsNII Kometa
Owner: Soviet Navy
Platform (bus): Buk reactor core
Mass at launch: 53 kg
Dry mass: 53 kg
Length: 0.5 m
Diameter: 0.2 m
Span with arrays and booms: 0.5 m
Shape: Cyl

From GCAT by Jonathan McDowell (CC BY 4.0), record S16809, checked 2026-11-05. About this source

Launch

Launch date: 1986-03-21
Rocket: Tsiklon-2
Flight: Kosmos-1736
Mission name: US-A reactor
Launch site: NIIP-5, LC90
Launched by: Upravleniye Nachalnika Kosmicheskikh Sredstv
Rocket performance: Success
Launch designator: 1986-024

From the GCAT launch log, launch 1986-024, checked 2026-11-05. About this source

Catalogue record

Object type: Debris
Owner code: CIS
Launch date: 1986-03-21
Period: 104.2 min
Inclination: 64.99°
Apogee: 978 km
Perigee: 938 km
Radar cross-section: 0.181 m²

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

Where it came from

Parent object: COSMOS 1736 (NORAD 16647)

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

Everything from this launch

Debris29 in total, 1 still in orbit
Payload1 in total, 1 still in orbit