SO-M No. 507

Re-entered 31 Oct 1978

SO-M No. 507 (NORAD 11088, COSPAR 1978-101A) was a SU satellite that re-entered Earth's atmosphere on 31 Oct 1978, launched on 30 Oct 1978 on the SO-M No. 507 mission. It was operated by IKI / BABTS as part of the SO-M programme. The spacecraft was built by NPOL on the SO-M bus, with a mass of 950 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.

1978

launched

1978

re-entered

years on orbit

950

kg mass

Lifecycle

Launched30 Oct 1978 · on the SO-M No. 507 mission

Operational13 Apr 1979 · entered service

Retired13 Apr 1979 · end of operational service

Re-entered31 Oct 1978 · atmospheric re-entry — object destroyed

Specifications

NORAD ID11088

COSPAR1978-101A

TypeSatellite

OperatorIKI / BABTS

Country / StateSU

ManufacturerNPOL

BusSO-M

Mass950 kg

ProgrammeSO-M

CategorySCI/AST

OrbitLEO (DSO)

Altitude1,127 × 204,898 km

Inclination65.7°

Frequently asked questions

What happened to SO-M No. 507?

SO-M No. 507 re-entered Earth's atmosphere on 31 Oct 1978, ending a mission that began with its launch in 1978. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did SO-M No. 507 re-enter the atmosphere?

SO-M No. 507 re-entered on 31 Oct 1978, according to Orbital Radar's historical catalogue records.

Who operated and built SO-M No. 507?

SO-M No. 507 was operated by IKI / BABTS and built by NPOL (SU).

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

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