Tselina-OM No. 1L

Re-entered 15 Feb 1978

Tselina-OM No. 1L (NORAD 3526, COSPAR 1968-095A) was a SU satellite that re-entered Earth's atmosphere on 15 Feb 1978, launched on 30 Oct 1968 on the Tselina-O mission. It was operated by TSN108 as part of the Tselina-OM programme. The spacecraft was built by YUZH on the Tselina-OM bus, with a mass of 434 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

1978

re-entered

years on orbit

434

kg mass

Lifecycle

Launched30 Oct 1968 · on the Tselina-O mission

Operational1 Jan 1969 · entered service

Retired1 Jan 1969 · end of operational service

Re-entered15 Feb 1978 · atmospheric re-entry — object destroyed

Specifications

NORAD ID3526

COSPAR1968-095A

TypeSatellite

OperatorTSN108

Country / StateSU

ManufacturerYUZH

BusTselina-OM

Mass434 kg

ProgrammeTselina-OM

CategorySIG

OrbitLEO (LLEO/I)

Altitude520 × 539 km

Inclination74.0°

Frequently asked questions

What happened to Tselina-OM No. 1L?

Tselina-OM No. 1L re-entered Earth's atmosphere on 15 Feb 1978, 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 Tselina-OM No. 1L re-enter the atmosphere?

Tselina-OM No. 1L re-entered on 15 Feb 1978, according to Orbital Radar's historical catalogue records.

Who operated and built Tselina-OM No. 1L?

Tselina-OM No. 1L was operated by TSN108 and built by YUZH (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: Tselina-O → What is space debris? →