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🛰️ SATELLITE · HISTORICAL RECORD

Terilen No. 11L

Re-entered 30 Mar 1988

Terilen No. 11L (NORAD 18343, COSPAR 1987-076A) was a SU satellite that re-entered Earth's atmosphere on 30 Mar 1988, launched on 11 Sep 1987 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.

1987
launched
1988
re-entered
1
year on orbit
3,390
kg mass

Lifecycle

Launched11 Sep 1987 · on the Terilen mission
Operational30 Mar 1988 · entered service
Retired30 Mar 1988 · end of operational service
Re-entered30 Mar 1988 · atmospheric re-entry — object destroyed

Specifications

NORAD ID18343
COSPAR1987-076A
TypeSatellite
OperatorUNKS
Country / StateSU
ManufacturerTSSKB
BusYantar'-4KS1
Mass3,390 kg
ProgrammeTerilen
CategoryIMG
OrbitLEO (LLEO/I)
Altitude229 × 271 km
Inclination64.8°

Frequently asked questions

What happened to Terilen No. 11L?

Terilen No. 11L re-entered Earth's atmosphere on 30 Mar 1988, ending a mission that began with its launch in 1987. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did Terilen No. 11L re-enter the atmosphere?

Terilen No. 11L re-entered on 30 Mar 1988, according to Orbital Radar's historical catalogue records.

Who operated and built Terilen No. 11L?

Terilen No. 11L 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.