HomeLibraryRe-entered SatellitesL-1 No. 12L
🛰️ SATELLITE · HISTORICAL RECORD

L-1 No. 12L

Re-entered 13 Nov 1968

L-1 No. 12L (NORAD 3535, COSPAR 1968-101A) was a SU satellite that re-entered Earth's atmosphere on 13 Nov 1968, launched on 10 Nov 1968 on the L-1 No. 12L mission. It was operated by TSKBEM as part of the L-1 programme. The spacecraft was built by TSKBEM on the 7K-L1 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.

1968
launched
1968
re-entered
0
years on orbit
2,800
kg mass

Lifecycle

Launched10 Nov 1968 · on the L-1 No. 12L mission
Operational17 Nov 1968 · entered service
Retired17 Nov 1968 · end of operational service
Re-entered13 Nov 1968 · atmospheric re-entry — object destroyed

Specifications

NORAD ID3535
COSPAR1968-101A
TypeSatellite
OperatorTSKBEM
Country / StateSU
ManufacturerTSKBEM
Bus7K-L1
Mass2,800 kg
ProgrammeL-1
CategorySS
OrbitBEO (CLO)
Altitude200 × 400,000 km
Inclination51.5°

Frequently asked questions

What happened to L-1 No. 12L?

L-1 No. 12L re-entered Earth's atmosphere on 13 Nov 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 L-1 No. 12L re-enter the atmosphere?

L-1 No. 12L re-entered on 13 Nov 1968, according to Orbital Radar's historical catalogue records.

Who operated and built L-1 No. 12L?

L-1 No. 12L 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.