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🛰️ SATELLITE · HISTORICAL RECORD

2MS No. 2

Re-entered 2 May 1963

2MS No. 2 (NORAD 297, COSPAR 1962 UPS 1) was a SU satellite that re-entered Earth's atmosphere on 2 May 1963, launched on 28 May 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 252 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
1963
re-entered
1
year on orbit
252
kg mass

Lifecycle

Launched28 May 1962
Operational25 Oct 1962 · entered service
Retired25 Oct 1962 · end of operational service
Re-entered2 May 1963 · atmospheric re-entry — object destroyed

Specifications

NORAD ID297
COSPAR1962 UPS 1
TypeSatellite
OperatorOKB1
Country / StateSU
ManufacturerOKB1
BusMS
Mass252 kg
ProgrammeMS
CategoryTECH
OrbitLEO (LEO/I)
Altitude207 × 1,500 km
Inclination49.1°

Frequently asked questions

What happened to 2MS No. 2?

2MS No. 2 re-entered Earth's atmosphere on 2 May 1963, 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. 2 re-enter the atmosphere?

2MS No. 2 re-entered on 2 May 1963, according to Orbital Radar's historical catalogue records.

Who operated and built 2MS No. 2?

2MS No. 2 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.