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🛰️ SATELLITE · HISTORICAL RECORD

IS-M No. 704

Re-entered 27 Dec 1976

IS-M No. 704 (NORAD 9634, COSPAR 1976-126A) was a SU satellite that re-entered Earth's atmosphere on 27 Dec 1976, launched on 27 Dec 1976 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.

1976
launched
1976
re-entered
0
years on orbit
1,400
kg mass

Lifecycle

Launched27 Dec 1976 · on the IS mission
Operational27 Dec 1976 · entered service
Retired27 Dec 1976 · end of operational service
Re-entered27 Dec 1976 · atmospheric re-entry — object destroyed

Specifications

NORAD ID9634
COSPAR1976-126A
TypeSatellite
OperatorPKO
Country / StateSU
ManufacturerKOMET
BusIS
Mass1,400 kg
ProgrammeIS 5V91AT
CategoryWEAPON
OrbitLEO (LEO/I)
Altitude595 × 2,310 km
Inclination65.8°

Frequently asked questions

What happened to IS-M No. 704?

IS-M No. 704 re-entered Earth's atmosphere on 27 Dec 1976, ending a mission that began with its launch in 1976. 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. 704 re-enter the atmosphere?

IS-M No. 704 re-entered on 27 Dec 1976, according to Orbital Radar's historical catalogue records.

Who operated and built IS-M No. 704?

IS-M No. 704 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.