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🛰️ SATELLITE · HISTORICAL RECORD

Energiya No. 2L

Re-entered 6 Jul 1978

Energiya No. 2L (NORAD 10977, COSPAR 1978-069A) was a SU satellite that re-entered Earth's atmosphere on 6 Jul 1978, launched on 2 Jul 1978 on the Energiya No. 2 mission. It was operated by TSSKB as part of the Energiya programme. The spacecraft was built by TSSKB on the 13KS Energiya 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.

1978
launched
1978
re-entered
0
years on orbit
2,886
kg mass

Lifecycle

Launched2 Jul 1978 · on the Energiya No. 2 mission
Operational6 Jul 1978 · entered service
Retired6 Jul 1978 · end of operational service
Re-entered6 Jul 1978 · atmospheric re-entry — object destroyed

Specifications

NORAD ID10977
COSPAR1978-069A
TypeSatellite
OperatorTSSKB
Country / StateSU
ManufacturerTSSKB
Bus13KS Energiya
Mass2,886 kg
ProgrammeEnergiya
CategorySCI
OrbitLEO (LLEO/I)
Altitude206 × 244 km
Inclination51.8°

Frequently asked questions

What happened to Energiya No. 2L?

Energiya No. 2L re-entered Earth's atmosphere on 6 Jul 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 Energiya No. 2L re-enter the atmosphere?

Energiya No. 2L re-entered on 6 Jul 1978, according to Orbital Radar's historical catalogue records.

Who operated and built Energiya No. 2L?

Energiya No. 2L 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.