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🛰️ SATELLITE · HISTORICAL RECORD

2MS No. 1

Re-entered 17 Oct 1962

2MS No. 1 (NORAD 281, COSPAR 1962 NU 1) was a SU satellite that re-entered Earth's atmosphere on 17 Oct 1962, launched on 24 Apr 1962. It was operated by OKB1 as part of the MS programme. The spacecraft was built by OKB1 on the MS bus, with a mass of 251 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.

1962
launched
1962
re-entered
0
years on orbit
251
kg mass

Lifecycle

Launched24 Apr 1962
Operational1 Jul 1962 · entered service
Retired1 Jul 1962 · end of operational service
Re-entered17 Oct 1962 · atmospheric re-entry — object destroyed

Specifications

NORAD ID281
COSPAR1962 NU 1
TypeSatellite
OperatorOKB1
Country / StateSU
ManufacturerOKB1
BusMS
Mass251 kg
ProgrammeMS
CategoryTECH
OrbitLEO (LLEO/I)
Altitude226 × 632 km
Inclination49.0°

Frequently asked questions

What happened to 2MS No. 1?

2MS No. 1 re-entered Earth's atmosphere on 17 Oct 1962, ending a mission that began with its launch in 1962. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did 2MS No. 1 re-enter the atmosphere?

2MS No. 1 re-entered on 17 Oct 1962, according to Orbital Radar's historical catalogue records.

Who operated and built 2MS No. 1?

2MS 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.