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Yantar'-4K1 No. 1L

Re-entered 27 May 1979

Yantar'-4K1 No. 1L (NORAD 11348, COSPAR 1979-037A) was a SU satellite that re-entered Earth's atmosphere on 27 May 1979, launched on 27 Apr 1979 on the Yantar'-4K1 No. 1 mission. It was operated by TSSKB as part of the Oktan programme. The spacecraft was built by TSSKB on the Yantar'-4K1 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.

1979
launched
1979
re-entered
0
years on orbit
2,886
kg mass

Lifecycle

Launched27 Apr 1979 · on the Yantar'-4K1 No. 1 mission
Operational27 May 1979 · entered service
Retired27 May 1979 · end of operational service
Re-entered27 May 1979 · atmospheric re-entry — object destroyed

Specifications

NORAD ID11348
COSPAR1979-037A
TypeSatellite
OperatorTSSKB
Country / StateSU
ManufacturerTSSKB
BusYantar'-4K1
Mass2,886 kg
ProgrammeOktan
CategoryIMG
OrbitLEO (LLEO/I)
Altitude162 × 276 km
Inclination62.8°

Frequently asked questions

What happened to Yantar'-4K1 No. 1L?

Yantar'-4K1 No. 1L re-entered Earth's atmosphere on 27 May 1979, ending a mission that began with its launch in 1979. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did Yantar'-4K1 No. 1L re-enter the atmosphere?

Yantar'-4K1 No. 1L re-entered on 27 May 1979, according to Orbital Radar's historical catalogue records.

Who operated and built Yantar'-4K1 No. 1L?

Yantar'-4K1 No. 1L 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.