Molniya-1K No. 45L

Re-entered 20 May 1993

Molniya-1K No. 45L (NORAD 10092, COSPAR 1977-054A) was a SU satellite that re-entered Earth's atmosphere on 20 May 1993, launched on 24 Jun 1977 on the Molniya-1 11F658 No. 45 mission. It was operated by GUKOSR as part of the Molniya-1K programme. The spacecraft was built by NPOPM 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.

1977

launched

1993

re-entered

years on orbit

1,650

kg mass

Lifecycle

Launched24 Jun 1977 · on the Molniya-1 11F658 No. 45 mission

Operational1 May 1979 · entered service

Retired1 May 1979 · end of operational service

Re-entered20 May 1993 · atmospheric re-entry — object destroyed

Specifications

NORAD ID10092

COSPAR1977-054A

TypeSatellite

OperatorGUKOSR

Country / StateSU

ManufacturerNPOPM

BusMolniya-1

Mass1,650 kg (1,620 kg dry)

ProgrammeMolniya-1K

CategoryCOM

OrbitHEO (HEO/M)

Altitude458 × 39,897 km

Inclination63.0°

Frequently asked questions

What happened to Molniya-1K No. 45L?

Molniya-1K No. 45L re-entered Earth's atmosphere on 20 May 1993, ending a mission that began with its launch in 1977. 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. 45L re-enter the atmosphere?

Molniya-1K No. 45L re-entered on 20 May 1993, according to Orbital Radar's historical catalogue records.

Who operated and built Molniya-1K No. 45L?

Molniya-1K No. 45L was operated by GUKOSR and built by NPOPM (SU).

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

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