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US-P No. 112/Ritm

Re-entered 17 May 1977

US-P No. 112/Ritm (NORAD 8932, COSPAR 1976-063A) was a SU satellite that re-entered Earth's atmosphere on 17 May 1977, launched on 2 Jul 1976 on the US-P mission. It was operated by ARSL as part of the US-P programme. The spacecraft was built by ARSL/KOMET on the US-P bus, with a mass of 3,300 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.

1976
launched
1977
re-entered
1
year on orbit
3,300
kg mass

Lifecycle

Launched2 Jul 1976 · on the US-P mission
Operational10 Nov 1976 · entered service
Retired10 Nov 1976 · end of operational service
Re-entered17 May 1977 · atmospheric re-entry — object destroyed

Specifications

NORAD ID8932
COSPAR1976-063A
TypeSatellite
OperatorARSL
Country / StateSU
ManufacturerARSL/KOMET
BusUS-P
Mass3,300 kg (3,000 kg dry)
ProgrammeUS-P
CategorySIG
OrbitLEO (LLEO/I)
Altitude427 × 443 km
Inclination65.0°

Frequently asked questions

What happened to US-P No. 112/Ritm?

US-P No. 112/Ritm re-entered Earth's atmosphere on 17 May 1977, ending a mission that began with its launch in 1976. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did US-P No. 112/Ritm re-enter the atmosphere?

US-P No. 112/Ritm re-entered on 17 May 1977, according to Orbital Radar's historical catalogue records.

Who operated and built US-P No. 112/Ritm?

US-P No. 112/Ritm was operated by ARSL and built by ARSL/KOMET (SU).

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