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🛰️ SATELLITE · HISTORICAL RECORD

US-A No. 325

Re-entered 24 Jan 1978

US-A No. 325 (NORAD 10361, COSPAR 1977-090A) was a SU satellite that re-entered Earth's atmosphere on 24 Jan 1978, launched on 18 Sep 1977 on the US-A mission. It was operated by VMF as part of the US-A programme. The spacecraft was built by KOMET on the US-A bus, with a mass of 1,150 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.

1977
launched
1978
re-entered
1
year on orbit
1,150
kg mass

Lifecycle

Launched18 Sep 1977 · on the US-A mission
Operational24 Jan 1978 · entered service
Retired24 Jan 1978 · end of operational service
Re-entered24 Jan 1978 · atmospheric re-entry — object destroyed

Specifications

NORAD ID10361
COSPAR1977-090A
TypeSatellite
OperatorVMF
Country / StateSU
ManufacturerKOMET
BusUS-A
Mass1,150 kg
ProgrammeUS-A
CategorySIG
OrbitLEO (LLEO/I)
Altitude250 × 263 km
Inclination65.0°

Frequently asked questions

What happened to US-A No. 325?

US-A No. 325 re-entered Earth's atmosphere on 24 Jan 1978, ending a mission that began with its launch in 1977. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did US-A No. 325 re-enter the atmosphere?

US-A No. 325 re-entered on 24 Jan 1978, according to Orbital Radar's historical catalogue records.

Who operated and built US-A No. 325?

US-A No. 325 was operated by VMF and built by KOMET (SU).

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