HomeLibraryRe-entered SatellitesTselina-OM No. 17L
🛰️ SATELLITE · HISTORICAL RECORD

Tselina-OM No. 17L

Re-entered 3 Oct 1980

Tselina-OM No. 17L (NORAD 7109, COSPAR 1974-005A) was a SU satellite that re-entered Earth's atmosphere on 3 Oct 1980, launched on 6 Feb 1974 on the Tselina-OM mission. It was operated by GRU as part of the Tselina-OM programme. The spacecraft was built by YUZH on the Tselina-OM bus, with a mass of 434 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.

1974
launched
1980
re-entered
6
years on orbit
434
kg mass

Lifecycle

Launched6 Feb 1974 · on the Tselina-OM mission
Operational1 Jan 1974 · entered service
Retired1 Jan 1974 · end of operational service
Re-entered3 Oct 1980 · atmospheric re-entry — object destroyed

Specifications

NORAD ID7109
COSPAR1974-005A
TypeSatellite
OperatorGRU
Country / StateSU
ManufacturerYUZH
BusTselina-OM
Mass434 kg
ProgrammeTselina-OM
CategorySIG
OrbitLEO (LLEO/I)
Altitude518 × 544 km
Inclination74.0°

Frequently asked questions

What happened to Tselina-OM No. 17L?

Tselina-OM No. 17L re-entered Earth's atmosphere on 3 Oct 1980, ending a mission that began with its launch in 1974. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did Tselina-OM No. 17L re-enter the atmosphere?

Tselina-OM No. 17L re-entered on 3 Oct 1980, according to Orbital Radar's historical catalogue records.

Who operated and built Tselina-OM No. 17L?

Tselina-OM No. 17L was operated by GRU and built by YUZH (SU).

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