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🛰️ SATELLITE · HISTORICAL RECORD

Oblik No. 818

Re-entered 20 Mar 1991

Oblik No. 818 (NORAD 21143, COSPAR 1991-016A) was a SU satellite that re-entered Earth's atmosphere on 20 Mar 1991, launched on 6 Mar 1991 on the Oblik mission. It was operated by UNKSR as part of the Oblik programme. The spacecraft was built by TSSKB on the Oblik bus, with a mass of 2,655 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.

1991
launched
1991
re-entered
0
years on orbit
2,655
kg mass

Lifecycle

Launched6 Mar 1991 · on the Oblik mission
Operational20 Mar 1991 · entered service
Retired20 Mar 1991 · end of operational service
Re-entered20 Mar 1991 · atmospheric re-entry — object destroyed

Specifications

NORAD ID21143
COSPAR1991-016A
TypeSatellite
OperatorUNKSR
Country / StateSU
ManufacturerTSSKB
BusOblik
Mass2,655 kg
ProgrammeOblik
CategoryIMG
OrbitLEO (LLEO/I)
Altitude251 × 314 km
Inclination62.9°

Frequently asked questions

What happened to Oblik No. 818?

Oblik No. 818 re-entered Earth's atmosphere on 20 Mar 1991, ending a mission that began with its launch in 1991. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did Oblik No. 818 re-enter the atmosphere?

Oblik No. 818 re-entered on 20 Mar 1991, according to Orbital Radar's historical catalogue records.

Who operated and built Oblik No. 818?

Oblik No. 818 was operated by UNKSR and built by TSSKB (SU).

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