3MV-1 No. 4

Re-entered 4 Apr 1964

3MV-1 No. 4 (NORAD 785, COSPAR 1964-016D) was a SU satellite that re-entered Earth's atmosphere on 4 Apr 1964, launched on 2 Apr 1964 on the 3MV-1 No. 4 mission. It was operated by OKB52 as part of the 3MV programme. The spacecraft was built by OKB1 on the MV bus, with a mass of 490 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.

1964

launched

1964

re-entered

years on orbit

490

kg mass

Lifecycle

Launched2 Apr 1964 · on the 3MV-1 No. 4 mission

Operational1 Apr 1964 · entered service

Retired1 Apr 1964 · end of operational service

Re-entered4 Apr 1964 · atmospheric re-entry — object destroyed

Specifications

NORAD ID785

COSPAR1964-016D

TypeSatellite

OperatorOKB52

Country / StateSU

ManufacturerOKB1

BusMV

Mass490 kg (480 kg dry)

Programme3MV

CategoryPLAN

OrbitHEO (EEO)

Inclination64.8°

Frequently asked questions

What happened to 3MV-1 No. 4?

3MV-1 No. 4 re-entered Earth's atmosphere on 4 Apr 1964, ending a mission that began with its launch in 1964. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did 3MV-1 No. 4 re-enter the atmosphere?

3MV-1 No. 4 re-entered on 4 Apr 1964, according to Orbital Radar's historical catalogue records.

Who operated and built 3MV-1 No. 4?

3MV-1 No. 4 was operated by OKB52 and built by OKB1 (SU).

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

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