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🛰️ SATELLITE · HISTORICAL RECORD

I1B No. 112

Re-entered 8 Jun 1966

I1B No. 112 (NORAD 784, COSPAR 1964-019A) was a SU satellite that re-entered Earth's atmosphere on 8 Jun 1966, launched on 12 Apr 1964 on the I-1B No. 112 mission. It was operated by OKB52 as part of the IS Polyot programme. The spacecraft was built by OKB52/KB1 on the I-2B bus, with a mass of 2,250 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
1966
re-entered
2
years on orbit
2,250
kg mass

Lifecycle

Launched12 Apr 1964 · on the I-1B No. 112 mission
Operational12 Apr 1964 · entered service
Retired12 Apr 1964 · end of operational service
Re-entered8 Jun 1966 · atmospheric re-entry — object destroyed

Specifications

NORAD ID784
COSPAR1964-019A
TypeSatellite
OperatorOKB52
Country / StateSU
ManufacturerOKB52/KB1
BusI-2B
Mass2,250 kg
ProgrammeIS Polyot
CategoryTECH
OrbitLEO (LLEO/I)
Altitude303 × 472 km
Inclination58.1°

Frequently asked questions

What happened to I1B No. 112?

I1B No. 112 re-entered Earth's atmosphere on 8 Jun 1966, 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 I1B No. 112 re-enter the atmosphere?

I1B No. 112 re-entered on 8 Jun 1966, according to Orbital Radar's historical catalogue records.

Who operated and built I1B No. 112?

I1B No. 112 was operated by OKB52 and built by OKB52/KB1 (SU).

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