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🛰️ SATELLITE · HISTORICAL RECORD

Terilen No. 7L

Re-entered 22 Sep 1989

Terilen No. 7L (NORAD 19900, COSPAR 1989-024A) was a SU satellite that re-entered Earth's atmosphere on 22 Sep 1989, launched on 23 Mar 1989 on the Terilen mission. It was operated by UNKS as part of the Terilen programme. The spacecraft was built by TSSKB on the Yantar'-4KS1 bus, with a mass of 3,390 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.

1989
launched
1989
re-entered
0
years on orbit
3,390
kg mass

Lifecycle

Launched23 Mar 1989 · on the Terilen mission
Operational22 Sep 1989 · entered service
Retired22 Sep 1989 · end of operational service
Re-entered22 Sep 1989 · atmospheric re-entry — object destroyed

Specifications

NORAD ID19900
COSPAR1989-024A
TypeSatellite
OperatorUNKS
Country / StateSU
ManufacturerTSSKB
BusYantar'-4KS1
Mass3,390 kg
ProgrammeTerilen
CategoryIMG
OrbitLEO (LLEO/I)
Altitude233 × 293 km
Inclination64.7°

Frequently asked questions

What happened to Terilen No. 7L?

Terilen No. 7L re-entered Earth's atmosphere on 22 Sep 1989, ending a mission that began with its launch in 1989. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did Terilen No. 7L re-enter the atmosphere?

Terilen No. 7L re-entered on 22 Sep 1989, according to Orbital Radar's historical catalogue records.

Who operated and built Terilen No. 7L?

Terilen No. 7L was operated by UNKS and built by TSSKB (SU).

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