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🛰️ SATELLITE · HISTORICAL RECORD

Gerakl' No. 89L

Re-entered 3 Jan 1978

Gerakl' No. 89L (NORAD 10527, COSPAR 1977-120A) was a SU satellite that re-entered Earth's atmosphere on 3 Jan 1978, launched on 20 Dec 1977 on the Zenit-4MKM mission. It was operated by GUKOSR as part of the Zenit-4MKM programme. The spacecraft was built by TSSKB on the Zenit-4MK bus, with a mass of 2,400 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.

1977
launched
1978
re-entered
1
year on orbit
2,400
kg mass

Lifecycle

Launched20 Dec 1977 · on the Zenit-4MKM mission
Operational3 Jan 1978 · entered service
Retired3 Jan 1978 · end of operational service
Re-entered3 Jan 1978 · atmospheric re-entry — object destroyed

Specifications

NORAD ID10527
COSPAR1977-120A
TypeSatellite
OperatorGUKOSR
Country / StateSU
ManufacturerTSSKB
BusZenit-4MK
Mass2,400 kg
ProgrammeZenit-4MKM
CategoryIMG
OrbitLEO (LLEO/I)
Altitude179 × 316 km
Inclination62.8°

Frequently asked questions

What happened to Gerakl' No. 89L?

Gerakl' No. 89L re-entered Earth's atmosphere on 3 Jan 1978, ending a mission that began with its launch in 1977. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did Gerakl' No. 89L re-enter the atmosphere?

Gerakl' No. 89L re-entered on 3 Jan 1978, according to Orbital Radar's historical catalogue records.

Who operated and built Gerakl' No. 89L?

Gerakl' No. 89L was operated by GUKOSR and built by TSSKB (SU).

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