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🛰️ SATELLITE · HISTORICAL RECORD

4V-1 No. 670

Re-entered 28 Mar 1972

4V-1 No. 670 (NORAD 5912, COSPAR 1972-021A) was a SU satellite that re-entered Earth's atmosphere on 28 Mar 1972, launched on 27 Mar 1972 on the 4V-1 No. 670 mission. It was operated by IKI / BABTS as part of the 4V-1A programme. The spacecraft was built by NPOL on the MV bus, with a mass of 689 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.

1972
launched
1972
re-entered
0
years on orbit
689
kg mass

Lifecycle

Launched27 Mar 1972 · on the 4V-1 No. 670 mission
Operational22 Jul 1972 · entered service
Retired22 Jul 1972 · end of operational service
Re-entered28 Mar 1972 · atmospheric re-entry — object destroyed

Specifications

NORAD ID5912
COSPAR1972-021A
TypeSatellite
OperatorIKI / BABTS
Country / StateSU
ManufacturerNPOL
BusMV
Mass689 kg (660 kg dry)
Programme4V-1A
CategoryPLAN/RV
OrbitLEO (LLEO/I)
Altitude194 × 246 km
Inclination51.8°

Frequently asked questions

What happened to 4V-1 No. 670?

4V-1 No. 670 re-entered Earth's atmosphere on 28 Mar 1972, ending a mission that began with its launch in 1972. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did 4V-1 No. 670 re-enter the atmosphere?

4V-1 No. 670 re-entered on 28 Mar 1972, according to Orbital Radar's historical catalogue records.

Who operated and built 4V-1 No. 670?

4V-1 No. 670 was operated by IKI / BABTS and built by NPOL (SU).

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