Soyuz 7K-OK(P) No. 11

Re-entered 28 Oct 1968

Soyuz 7K-OK(P) No. 11 (NORAD 3511, COSPAR 1968-093A) was a SU satellite that re-entered Earth's atmosphere on 28 Oct 1968, launched on 25 Oct 1968 on the Soyuz No. 11 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 2,810 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.

1968

launched

1968

re-entered

years on orbit

2,810

kg mass

Lifecycle

Launched25 Oct 1968 · on the Soyuz No. 11 mission

Operational28 Oct 1968 · entered service

Retired28 Oct 1968 · end of operational service

Re-entered28 Oct 1968 · atmospheric re-entry — object destroyed

Specifications

NORAD ID3511

COSPAR1968-093A

TypeSatellite

OperatorTSKBEM

Country / StateSU

ManufacturerTSKBEM

Bus7K-OK

Mass2,810 kg

Programme7K-OK

CategorySS

OrbitLEO (LLEO/I)

Altitude177 × 196 km

Inclination51.7°

Frequently asked questions

What happened to Soyuz 7K-OK(P) No. 11?

Soyuz 7K-OK(P) No. 11 re-entered Earth's atmosphere on 28 Oct 1968, ending a mission that began with its launch in 1968. 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. 11 re-enter the atmosphere?

Soyuz 7K-OK(P) No. 11 re-entered on 28 Oct 1968, according to Orbital Radar's historical catalogue records.

Who operated and built Soyuz 7K-OK(P) No. 11?

Soyuz 7K-OK(P) No. 11 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.

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