IS-M No. 707

Re-entered 2 Feb 1981

IS-M No. 707 (NORAD 12160, COSPAR 1981-010A) was a SU satellite that re-entered Earth's atmosphere on 2 Feb 1981, launched on 2 Feb 1981 on the IS mission. It was operated by PKO as part of the IS 5V91AT programme. The spacecraft was built by KOMET on the IS bus, with a mass of 1,400 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.

1981

launched

1981

re-entered

years on orbit

1,400

kg mass

Lifecycle

Launched2 Feb 1981 · on the IS mission

Operational2 Feb 1981 · entered service

Retired2 Feb 1981 · end of operational service

Re-entered2 Feb 1981 · atmospheric re-entry — object destroyed

Specifications

NORAD ID12160

COSPAR1981-010A

TypeSatellite

OperatorPKO

Country / StateSU

ManufacturerKOMET

BusIS

Mass1,400 kg

ProgrammeIS 5V91AT

CategoryWEAPON

OrbitLEO (LEO/I)

Altitude295 × 1,014 km

Inclination65.8°

Frequently asked questions

What happened to IS-M No. 707?

IS-M No. 707 re-entered Earth's atmosphere on 2 Feb 1981, ending a mission that began with its launch in 1981. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did IS-M No. 707 re-enter the atmosphere?

IS-M No. 707 re-entered on 2 Feb 1981, according to Orbital Radar's historical catalogue records.

Who operated and built IS-M No. 707?

IS-M No. 707 was operated by PKO and built by KOMET (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: IS → What is space debris? →