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DS-U2-IK No. 2 (Mag)

Re-entered 7 Apr 1972

DS-U2-IK No. 2 (Mag) (NORAD 5641, COSPAR 1971-104A) was a SU satellite that re-entered Earth's atmosphere on 7 Apr 1972, launched on 2 Dec 1971 on the DS-U2-IK No. 2 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 296 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.

1971
launched
1972
re-entered
1
year on orbit
296
kg mass

Lifecycle

Launched2 Dec 1971 · on the DS-U2-IK No. 2 mission
Operational7 Apr 1972 · entered service
Retired7 Apr 1972 · end of operational service
Re-entered7 Apr 1972 · atmospheric re-entry — object destroyed

Specifications

NORAD ID5641
COSPAR1971-104A
TypeSatellite
OperatorIK
Country / StateSU
ManufacturerYUZH
BusDS-U2
Mass296 kg
ProgrammeDS-U2-IK
CategorySCI
OrbitLEO (LEO/I)
Altitude198 × 1,044 km
Inclination48.4°

Frequently asked questions

What happened to DS-U2-IK No. 2 (Mag)?

DS-U2-IK No. 2 (Mag) re-entered Earth's atmosphere on 7 Apr 1972, ending a mission that began with its launch in 1971. 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. 2 (Mag) re-enter the atmosphere?

DS-U2-IK No. 2 (Mag) re-entered on 7 Apr 1972, according to Orbital Radar's historical catalogue records.

Who operated and built DS-U2-IK No. 2 (Mag)?

DS-U2-IK No. 2 (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.