HomeLibraryRe-entered SatellitesTsiklon GVM EP-703-4
🛰️ SATELLITE · HISTORICAL RECORD

Tsiklon GVM EP-703-4

Re-entered 26 Jun 1990

Tsiklon GVM EP-703-4 (NORAD 4497, COSPAR 1970-064A) was a SU satellite that re-entered Earth's atmosphere on 26 Jun 1990, launched on 20 Aug 1970 on the Lira mission. It was operated by OKB10 as part of the Tsiklon A2 programme. The spacecraft was built by OKB10 on the KAUR-1 11F617 bus, with a mass of 643 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.

1970
launched
1990
re-entered
20
years on orbit
643
kg mass

Lifecycle

Launched20 Aug 1970 · on the Lira mission
Operational1 Jan 1970 · entered service
Retired1 Jan 1970 · end of operational service
Re-entered26 Jun 1990 · atmospheric re-entry — object destroyed

Specifications

NORAD ID4497
COSPAR1970-064A
TypeSatellite
OperatorOKB10
Country / StateSU
ManufacturerOKB10
BusKAUR-1 11F617
Mass643 kg
ProgrammeTsiklon A2
CategoryTARG
OrbitLEO (LLEO/I)
Altitude514 × 537 km
Inclination74.0°

Frequently asked questions

What happened to Tsiklon GVM EP-703-4?

Tsiklon GVM EP-703-4 re-entered Earth's atmosphere on 26 Jun 1990, ending a mission that began with its launch in 1970. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did Tsiklon GVM EP-703-4 re-enter the atmosphere?

Tsiklon GVM EP-703-4 re-entered on 26 Jun 1990, according to Orbital Radar's historical catalogue records.

Who operated and built Tsiklon GVM EP-703-4?

Tsiklon GVM EP-703-4 was operated by OKB10 and built by OKB10 (SU).

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