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🛰️ SATELLITE · HISTORICAL RECORD

DS-MO No. 3

Re-entered 10 Feb 1970

DS-MO No. 3 (NORAD 4301, COSPAR 1970-005A) was a SU satellite that re-entered Earth's atmosphere on 10 Feb 1970, launched on 16 Jan 1970 on the DS-MO No. 3 mission. It was operated by YUZH as part of the DS-MO programme. The spacecraft was built by YUZH on the DS bus, with a mass of 321 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.

1970
launched
1970
re-entered
0
years on orbit
321
kg mass

Lifecycle

Launched16 Jan 1970 · on the DS-MO No. 3 mission
Operational10 Feb 1970 · entered service
Retired10 Feb 1970 · end of operational service
Re-entered10 Feb 1970 · atmospheric re-entry — object destroyed

Specifications

NORAD ID4301
COSPAR1970-005A
TypeSatellite
OperatorYUZH
Country / StateSU
ManufacturerYUZH
BusDS
Mass321 kg
ProgrammeDS-MO
CategorySCI
OrbitLEO (LLEO/I)
Altitude240 × 298 km
Inclination48.4°

Frequently asked questions

What happened to DS-MO No. 3?

DS-MO No. 3 re-entered Earth's atmosphere on 10 Feb 1970, ending a mission that began with its launch in 1970. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did DS-MO No. 3 re-enter the atmosphere?

DS-MO No. 3 re-entered on 10 Feb 1970, according to Orbital Radar's historical catalogue records.

Who operated and built DS-MO No. 3?

DS-MO No. 3 was operated by YUZH and built by YUZH (SU).

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