Gerakl' No. 91L

Re-entered 28 Feb 1978

Gerakl' No. 91L (NORAD 10672, COSPAR 1978-017A) was a SU satellite that re-entered Earth's atmosphere on 28 Feb 1978, launched on 14 Feb 1978 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.

1978

launched

1978

re-entered

years on orbit

2,400

kg mass

Lifecycle

Launched14 Feb 1978 · on the Zenit-4MKM mission

Operational28 Feb 1978 · entered service

Retired28 Feb 1978 · end of operational service

Re-entered28 Feb 1978 · atmospheric re-entry — object destroyed

Specifications

NORAD ID10672

COSPAR1978-017A

TypeSatellite

OperatorGUKOSR

Country / StateSU

ManufacturerTSSKB

BusZenit-4MK

Mass2,400 kg

ProgrammeZenit-4MKM

CategoryIMG

OrbitLEO (LLEO/I)

Altitude169 × 327 km

Inclination65.0°

Frequently asked questions

What happened to Gerakl' No. 91L?

Gerakl' No. 91L re-entered Earth's atmosphere on 28 Feb 1978, ending a mission that began with its launch in 1978. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did Gerakl' No. 91L re-enter the atmosphere?

Gerakl' No. 91L re-entered on 28 Feb 1978, according to Orbital Radar's historical catalogue records.

Who operated and built Gerakl' No. 91L?

Gerakl' No. 91L 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.

Browse the live satellite directory → Re-entered satellites archive → Launch record: Zenit-4MKM → What is space debris? →