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🛰️ SATELLITE · HISTORICAL RECORD

Kobal't No. 825

Re-entered 11 Jan 1985

Kobal't No. 825 (NORAD 15403, COSPAR 1984-119A) was a SU satellite that re-entered Earth's atmosphere on 11 Jan 1985, launched on 21 Nov 1984 on the Kobal't mission. It was operated by GUKOS 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.

1984
launched
1985
re-entered
1
year on orbit
2,886
kg mass

Lifecycle

Launched21 Nov 1984 · on the Kobal't mission
Operational11 Jan 1985 · entered service
Retired11 Jan 1985 · end of operational service
Re-entered11 Jan 1985 · atmospheric re-entry — object destroyed

Specifications

NORAD ID15403
COSPAR1984-119A
TypeSatellite
OperatorGUKOS
Country / StateSU
ManufacturerTSSKB
BusYantar'-4K2
Mass2,886 kg
ProgrammeKobal't
CategoryIMG
OrbitLEO (LLEO/I)
Altitude169 × 356 km
Inclination64.8°

Frequently asked questions

What happened to Kobal't No. 825?

Kobal't No. 825 re-entered Earth's atmosphere on 11 Jan 1985, ending a mission that began with its launch in 1984. 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. 825 re-enter the atmosphere?

Kobal't No. 825 re-entered on 11 Jan 1985, according to Orbital Radar's historical catalogue records.

Who operated and built Kobal't No. 825?

Kobal't No. 825 was operated by GUKOS and built by TSSKB (SU).

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