Soyuz 7K-OK(P) No. 4

Re-entered 24 Apr 1967

Soyuz 7K-OK(P) No. 4 (NORAD 2759, COSPAR 1967-037A) was a SU satellite that re-entered Earth's atmosphere on 24 Apr 1967, launched on 23 Apr 1967 on the Soyuz No. 4 mission. It was operated by TSKBEM as part of the 7K-OK programme. The spacecraft was built by TSKBEM on the 7K-OK bus, with a mass of 2,800 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.

1967

launched

1967

re-entered

years on orbit

2,800

kg mass

Lifecycle

Launched23 Apr 1967 · on the Soyuz No. 4 mission

Operational24 Apr 1967 · entered service

Retired24 Apr 1967 · end of operational service

Re-entered24 Apr 1967 · atmospheric re-entry — object destroyed

Specifications

NORAD ID2759

COSPAR1967-037A

TypeSatellite

OperatorTSKBEM

Country / StateSU

ManufacturerTSKBEM

Bus7K-OK

Mass2,800 kg (2,720 kg dry)

Programme7K-OK

CategorySS

OrbitLEO (LLEO/I)

Altitude194 × 210 km

Inclination51.6°

Frequently asked questions

What happened to Soyuz 7K-OK(P) No. 4?

Soyuz 7K-OK(P) No. 4 re-entered Earth's atmosphere on 24 Apr 1967, ending a mission that began with its launch in 1967. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did Soyuz 7K-OK(P) No. 4 re-enter the atmosphere?

Soyuz 7K-OK(P) No. 4 re-entered on 24 Apr 1967, according to Orbital Radar's historical catalogue records.

Who operated and built Soyuz 7K-OK(P) No. 4?

Soyuz 7K-OK(P) No. 4 was operated by TSKBEM and built by TSKBEM (SU).

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

Browse the live satellite directory → Re-entered satellites archive → Launch record: Soyuz No. 4 → What is space debris? →