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DS-U2-IK No. 3 (Mag)

Re-entered 1 Jul 1977

DS-U2-IK No. 3 (Mag) (NORAD 6911, COSPAR 1973-082A) was a SU satellite that re-entered Earth's atmosphere on 1 Jul 1977, launched on 30 Oct 1973 on the DS-U2-IK No. 3 mission. It was operated by IK as part of the DS-U2-IK programme. The spacecraft was built by YUZH on the DS-U2 bus, with a mass of 329 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.

1973
launched
1977
re-entered
4
years on orbit
329
kg mass

Lifecycle

Launched30 Oct 1973 · on the DS-U2-IK No. 3 mission
Operational7 Jun 1974 · entered service
Retired7 Jun 1974 · end of operational service
Re-entered1 Jul 1977 · atmospheric re-entry — object destroyed

Specifications

NORAD ID6911
COSPAR1973-082A
TypeSatellite
OperatorIK
Country / StateSU
ManufacturerYUZH
BusDS-U2
Mass329 kg
ProgrammeDS-U2-IK
CategorySCI
OrbitLEO (LEO/I)
Altitude257 × 1,439 km
Inclination74.0°

Frequently asked questions

What happened to DS-U2-IK No. 3 (Mag)?

DS-U2-IK No. 3 (Mag) re-entered Earth's atmosphere on 1 Jul 1977, ending a mission that began with its launch in 1973. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did DS-U2-IK No. 3 (Mag) re-enter the atmosphere?

DS-U2-IK No. 3 (Mag) re-entered on 1 Jul 1977, according to Orbital Radar's historical catalogue records.

Who operated and built DS-U2-IK No. 3 (Mag)?

DS-U2-IK No. 3 (Mag) was operated by IK and built by YUZH (SU).

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