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🛰️ SATELLITE · HISTORICAL RECORD

Kobal't No. 513

Re-entered 3 Feb 1988

Kobal't No. 513 (NORAD 18666, COSPAR 1987-102A) was a SU satellite that re-entered Earth's atmosphere on 3 Feb 1988, launched on 14 Dec 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
1988
re-entered
1
year on orbit
2,886
kg mass

Lifecycle

Launched14 Dec 1987 · on the Kobal't mission
Operational3 Feb 1988 · entered service
Retired3 Feb 1988 · end of operational service
Re-entered3 Feb 1988 · atmospheric re-entry — object destroyed

Specifications

NORAD ID18666
COSPAR1987-102A
TypeSatellite
OperatorUNKS
Country / StateSU
ManufacturerTSSKB
BusYantar'-4K2
Mass2,886 kg
ProgrammeKobal't
CategoryIMG
OrbitLEO (LLEO/I)
Altitude174 × 330 km
Inclination64.9°

Frequently asked questions

What happened to Kobal't No. 513?

Kobal't No. 513 re-entered Earth's atmosphere on 3 Feb 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 Kobal't No. 513 re-enter the atmosphere?

Kobal't No. 513 re-entered on 3 Feb 1988, according to Orbital Radar's historical catalogue records.

Who operated and built Kobal't No. 513?

Kobal't No. 513 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.