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DS-U3-IK-5 No. 6L

Re-entered 10 Jul 1979

DS-U3-IK-5 No. 6L (NORAD 9055, COSPAR 1976-076A) was a SU satellite that re-entered Earth's atmosphere on 10 Jul 1979, launched on 27 Jul 1976 on the DS-U3-IK No. 6 mission. It was operated by IKI as part of the DS-U3-IK programme. The spacecraft was built by YUZH on the DS-U3 bus, with a mass of 302 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.

1976
launched
1979
re-entered
3
years on orbit
302
kg mass

Lifecycle

Launched27 Jul 1976 · on the DS-U3-IK No. 6 mission
Operational13 Nov 1976 · entered service
Retired13 Nov 1976 · end of operational service
Re-entered10 Jul 1979 · atmospheric re-entry — object destroyed

Specifications

NORAD ID9055
COSPAR1976-076A
TypeSatellite
OperatorIKI
Country / StateSU
ManufacturerYUZH
BusDS-U3
Mass302 kg
ProgrammeDS-U3-IK
CategoryAST
OrbitLEO (LLEO/I)
Altitude464 × 518 km
Inclination50.6°

Frequently asked questions

What happened to DS-U3-IK-5 No. 6L?

DS-U3-IK-5 No. 6L re-entered Earth's atmosphere on 10 Jul 1979, ending a mission that began with its launch in 1976. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did DS-U3-IK-5 No. 6L re-enter the atmosphere?

DS-U3-IK-5 No. 6L re-entered on 10 Jul 1979, according to Orbital Radar's historical catalogue records.

Who operated and built DS-U3-IK-5 No. 6L?

DS-U3-IK-5 No. 6L was operated by IKI and built by YUZH (SU).

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