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Buran OK-1K No. 711 (1K1)

Re-entered 15 Nov 1988

Buran OK-1K No. 711 (1K1) (NORAD 19637, COSPAR 1988-100A) was a SU satellite that re-entered Earth's atmosphere on 15 Nov 1988, launched on 15 Nov 1988 on the Buran OK-1K No. 711 (1K1 mission. It was operated by MOLN / MOM as part of the Buran1 programme. The spacecraft was built by MOLN on the Buran bus, with a mass of 79,400 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.

1988
launched
1988
re-entered
0
years on orbit
79,400
kg mass

Lifecycle

Launched15 Nov 1988 · on the Buran OK-1K No. 711 (1K1 mission
Operational15 Nov 1988 · entered service
Retired15 Nov 1988 · end of operational service
Re-entered15 Nov 1988 · atmospheric re-entry — object destroyed

Specifications

NORAD ID19637
COSPAR1988-100A
TypeSatellite
OperatorMOLN / MOM
Country / StateSU
ManufacturerMOLN
BusBuran
Mass79,400 kg
ProgrammeBuran1
CategorySS
OrbitLEO (LLEO/I)
Altitude247 × 255 km
Inclination51.6°

Frequently asked questions

What happened to Buran OK-1K No. 711 (1K1)?

Buran OK-1K No. 711 (1K1) re-entered Earth's atmosphere on 15 Nov 1988, ending a mission that began with its launch in 1988. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did Buran OK-1K No. 711 (1K1) re-enter the atmosphere?

Buran OK-1K No. 711 (1K1) re-entered on 15 Nov 1988, according to Orbital Radar's historical catalogue records.

Who operated and built Buran OK-1K No. 711 (1K1)?

Buran OK-1K No. 711 (1K1) was operated by MOLN / MOM and built by MOLN (SU).

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