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🛰️ SATELLITE · HISTORICAL RECORD

N-4 No. 1

Re-entered 11 Oct 1965

N-4 No. 1 (NORAD 1466, COSPAR 1965-054A) was a SU satellite that re-entered Earth's atmosphere on 11 Oct 1965, launched on 16 Jul 1965 on the N-4 No. 1 mission. It was operated by OKB1 as part of the N-4 programme. The spacecraft was built by OKB1 on the Proton N-4 bus, with a mass of 8,300 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.

1965
launched
1965
re-entered
0
years on orbit
8,300
kg mass

Lifecycle

Launched16 Jul 1965 · on the N-4 No. 1 mission
Operational11 Oct 1965 · entered service
Retired11 Oct 1965 · end of operational service
Re-entered11 Oct 1965 · atmospheric re-entry — object destroyed

Specifications

NORAD ID1466
COSPAR1965-054A
TypeSatellite
OperatorOKB1
Country / StateSU
ManufacturerOKB1
BusProton N-4
Mass8,300 kg
ProgrammeN-4
CategorySCI
OrbitLEO (LLEO/I)
Altitude177 × 523 km
Inclination63.5°

Frequently asked questions

What happened to N-4 No. 1?

N-4 No. 1 re-entered Earth's atmosphere on 11 Oct 1965, ending a mission that began with its launch in 1965. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did N-4 No. 1 re-enter the atmosphere?

N-4 No. 1 re-entered on 11 Oct 1965, according to Orbital Radar's historical catalogue records.

Who operated and built N-4 No. 1?

N-4 No. 1 was operated by OKB1 and built by OKB1 (SU).

Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.