LK T2K No. 1

Re-entered 21 Sep 1983

LK T2K No. 1 (NORAD 4760, COSPAR 1970-099A) was a SU satellite that re-entered Earth's atmosphere on 21 Sep 1983, launched on 24 Nov 1970 on the T2K No. 1 mission. It was operated by TSKBEM as part of the T2K programme. The spacecraft was built by TSKBEM on the T2K bus, with a mass of 1,170 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.

1970

launched

1983

re-entered

years on orbit

1,170

kg mass

Lifecycle

Launched24 Nov 1970 · on the T2K No. 1 mission

Operational2 Dec 1970 · entered service

Retired2 Dec 1970 · end of operational service

Re-entered21 Sep 1983 · atmospheric re-entry — object destroyed

Specifications

NORAD ID4760

COSPAR1970-099A

TypeSatellite

OperatorTSKBEM

Country / StateSU

ManufacturerTSKBEM

BusT2K

Mass1,170 kg

ProgrammeT2K

CategorySS

OrbitHEO (HEO)

Altitude171 × 13,948 km

Inclination51.7°

Frequently asked questions

What happened to LK T2K No. 1?

LK T2K No. 1 re-entered Earth's atmosphere on 21 Sep 1983, ending a mission that began with its launch in 1970. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did LK T2K No. 1 re-enter the atmosphere?

LK T2K No. 1 re-entered on 21 Sep 1983, according to Orbital Radar's historical catalogue records.

Who operated and built LK T2K No. 1?

LK T2K No. 1 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: T2K No. 1 → What is space debris? →