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🛰️ SATELLITE · HISTORICAL RECORD

Siluet No. 5L

Re-entered 19 Sep 1985

Siluet No. 5L (NORAD 15942, COSPAR 1985-068A) was a SU satellite that re-entered Earth's atmosphere on 19 Sep 1985, launched on 8 Aug 1985 on the Siluet No. 5 mission. It was operated by TSSKB as part of the Siluet programme. The spacecraft was built by TSSKB on the Yantar'-1KFT bus, with a mass of 2,720 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.

1985
launched
1985
re-entered
0
years on orbit
2,720
kg mass

Lifecycle

Launched8 Aug 1985 · on the Siluet No. 5 mission
Operational19 Sep 1985 · entered service
Retired19 Sep 1985 · end of operational service
Re-entered19 Sep 1985 · atmospheric re-entry — object destroyed

Specifications

NORAD ID15942
COSPAR1985-068A
TypeSatellite
OperatorTSSKB
Country / StateSU
ManufacturerTSSKB
BusYantar'-1KFT
Mass2,720 kg
ProgrammeSiluet
CategoryIMG
OrbitLEO (LLEO/I)
Altitude204 × 267 km
Inclination64.8°

Frequently asked questions

What happened to Siluet No. 5L?

Siluet No. 5L re-entered Earth's atmosphere on 19 Sep 1985, ending a mission that began with its launch in 1985. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did Siluet No. 5L re-enter the atmosphere?

Siluet No. 5L re-entered on 19 Sep 1985, according to Orbital Radar's historical catalogue records.

Who operated and built Siluet No. 5L?

Siluet No. 5L was operated by TSSKB and built by TSSKB (SU).

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