Siluet No. 7L

Re-entered 11 Nov 1986

Siluet No. 7L (NORAD 17003, COSPAR 1986-077A) was a SU satellite that re-entered Earth's atmosphere on 11 Nov 1986, launched on 6 Oct 1986 on the Siluet No. 6 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.

1986

launched

1986

re-entered

years on orbit

2,720

kg mass

Lifecycle

Launched6 Oct 1986 · on the Siluet No. 6 mission

Operational11 Nov 1986 · entered service

Retired11 Nov 1986 · end of operational service

Re-entered11 Nov 1986 · atmospheric re-entry — object destroyed

Specifications

NORAD ID17003

COSPAR1986-077A

TypeSatellite

OperatorTSSKB

Country / StateSU

ManufacturerTSSKB

BusYantar'-1KFT

Mass2,720 kg

ProgrammeSiluet

CategoryIMG

OrbitLEO (LLEO/I)

Altitude206 × 262 km

Inclination64.8°

Frequently asked questions

What happened to Siluet No. 7L?

Siluet No. 7L re-entered Earth's atmosphere on 11 Nov 1986, ending a mission that began with its launch in 1986. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

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

Siluet No. 7L re-entered on 11 Nov 1986, according to Orbital Radar's historical catalogue records.

Who operated and built Siluet No. 7L?

Siluet No. 7L 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.

Browse the live satellite directory → Re-entered satellites archive → Launch record: Siluet No. 6 → What is space debris? →