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🛰️ SATELLITE · HISTORICAL RECORD

Kobal't No. 512

Re-entered 4 Jun 1987

Kobal't No. 512 (NORAD 17849, COSPAR 1987-032A) was a SU satellite that re-entered Earth's atmosphere on 4 Jun 1987, launched on 9 Apr 1987 on the Kobal't mission. It was operated by UNKS as part of the Kobal't programme. The spacecraft was built by TSSKB on the Yantar'-4K2 bus, with a mass of 2,886 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
1987
re-entered
0
years on orbit
2,886
kg mass

Lifecycle

Launched9 Apr 1987 · on the Kobal't mission
Operational4 Jun 1987 · entered service
Retired4 Jun 1987 · end of operational service
Re-entered4 Jun 1987 · atmospheric re-entry — object destroyed

Specifications

NORAD ID17849
COSPAR1987-032A
TypeSatellite
OperatorUNKS
Country / StateSU
ManufacturerTSSKB
BusYantar'-4K2
Mass2,886 kg
ProgrammeKobal't
CategoryIMG
OrbitLEO (LLEO/I)
Altitude174 × 347 km
Inclination64.8°

Frequently asked questions

What happened to Kobal't No. 512?

Kobal't No. 512 re-entered Earth's atmosphere on 4 Jun 1987, 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 Kobal't No. 512 re-enter the atmosphere?

Kobal't No. 512 re-entered on 4 Jun 1987, according to Orbital Radar's historical catalogue records.

Who operated and built Kobal't No. 512?

Kobal't No. 512 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.