Molniya-1K No. 36L

Re-entered 9 Jun 1985

Molniya-1K No. 36L (NORAD 6958, COSPAR 1973-097A) was a SU satellite that re-entered Earth's atmosphere on 9 Jun 1985, launched on 30 Nov 1973 on the Molniya-1 mission. It was operated by GUKOSR as part of the Molniya-1K programme. The spacecraft was built by OKB10 on the Molniya-1 bus, with a mass of 1,650 kg. Like most satellites in low orbits, it was gradually slowed by atmospheric drag until re-entry. Historical record from Orbital Radar's satellite archive, cross-referenced with the live satellite catalogue.

1973

launched

1985

re-entered

years on orbit

1,650

kg mass

Lifecycle

Launched30 Nov 1973 · on the Molniya-1 mission

Operational1 Apr 1979 · entered service

Retired1 Apr 1979 · end of operational service

Re-entered9 Jun 1985 · atmospheric re-entry — object destroyed

Specifications

NORAD ID6958

COSPAR1973-097A

TypeSatellite

OperatorGUKOSR

Country / StateSU

ManufacturerOKB10

BusMolniya-1

Mass1,650 kg (1,620 kg dry)

ProgrammeMolniya-1K

CategoryCOM

OrbitHEO (HEO/M)

Altitude478 × 39,874 km

Inclination62.7°

Frequently asked questions

What happened to Molniya-1K No. 36L?

Molniya-1K No. 36L re-entered Earth's atmosphere on 9 Jun 1985, ending a mission that began with its launch in 1973. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did Molniya-1K No. 36L re-enter the atmosphere?

Molniya-1K No. 36L re-entered on 9 Jun 1985, according to Orbital Radar's historical catalogue records.

Who operated and built Molniya-1K No. 36L?

Molniya-1K No. 36L was operated by GUKOSR and built by OKB10 (SU).

Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.

Browse the live satellite directory → Re-entered satellites archive → Launch record: Molniya-1 → What is space debris? →