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🛰️ SATELLITE · HISTORICAL RECORD

L-1 No. 3P

Re-entered 19 Apr 1967

L-1 No. 3P (NORAD 2746, COSPAR 1967-032C) was a SU satellite that re-entered Earth's atmosphere on 19 Apr 1967, launched on 8 Apr 1967 on the L-1 No. 3P 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.

1967
launched
1967
re-entered
0
years on orbit
2,800
kg mass

Lifecycle

Launched8 Apr 1967 · on the L-1 No. 3P mission
Operational10 Apr 1967 · entered service
Retired10 Apr 1967 · end of operational service
Re-entered19 Apr 1967 · atmospheric re-entry — object destroyed

Specifications

NORAD ID2746
COSPAR1967-032C
TypeSatellite
OperatorTSKBEM
Country / StateSU
ManufacturerTSKBEM
Bus7K-L1
Mass2,800 kg
ProgrammeL-1
CategorySS
OrbitLEO (LLEO/I)
Altitude182 × 212 km
Inclination51.5°

Frequently asked questions

What happened to L-1 No. 3P?

L-1 No. 3P re-entered Earth's atmosphere on 19 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 L-1 No. 3P re-enter the atmosphere?

L-1 No. 3P re-entered on 19 Apr 1967, according to Orbital Radar's historical catalogue records.

Who operated and built L-1 No. 3P?

L-1 No. 3P 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.