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DS-P1-Yu No. 1L

Re-entered 28 Feb 1965

DS-P1-Yu No. 1L (NORAD 844, COSPAR 1964-042A) was a SU satellite that re-entered Earth's atmosphere on 28 Feb 1965, launched on 30 Jul 1964 on the DS-P1-Yu No. 1 mission. It was operated by OKB586 / PVO as part of the DS-P1-Yu A programme. The spacecraft was built by OKB586 on the DS-P1 bus, with a mass of 200 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.

1964
launched
1965
re-entered
1
year on orbit
200
kg mass

Lifecycle

Launched30 Jul 1964 · on the DS-P1-Yu No. 1 mission
Operational28 Feb 1965 · entered service
Retired28 Feb 1965 · end of operational service
Re-entered28 Feb 1965 · atmospheric re-entry — object destroyed

Specifications

NORAD ID844
COSPAR1964-042A
TypeSatellite
OperatorOKB586 / PVO
Country / StateSU
ManufacturerOKB586
BusDS-P1
Mass200 kg
ProgrammeDS-P1-Yu A
CategoryCAL
OrbitLEO (LLEO/I)
Altitude253 × 476 km
Inclination49.0°

Frequently asked questions

What happened to DS-P1-Yu No. 1L?

DS-P1-Yu No. 1L re-entered Earth's atmosphere on 28 Feb 1965, ending a mission that began with its launch in 1964. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did DS-P1-Yu No. 1L re-enter the atmosphere?

DS-P1-Yu No. 1L re-entered on 28 Feb 1965, according to Orbital Radar's historical catalogue records.

Who operated and built DS-P1-Yu No. 1L?

DS-P1-Yu No. 1L was operated by OKB586 / PVO and built by OKB586 (SU).

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