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🛰️ SATELLITE · HISTORICAL RECORD

2D No. 2

Re-entered 22 Apr 1997

2D No. 2 (NORAD 748, COSPAR 1964-006B) was a SU satellite that re-entered Earth's atmosphere on 22 Apr 1997, launched on 30 Jan 1964 on the 2D No. 1 mission. It was operated by OKB1 as part of the ObjectD programme. The spacecraft was built by OKB1 on the Object D bus, with a mass of 460 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
1997
re-entered
33
years on orbit
460
kg mass

Lifecycle

Launched30 Jan 1964 · on the 2D No. 1 mission
Operational1 Jun 1964 · entered service
Retired1 Jun 1964 · end of operational service
Re-entered22 Apr 1997 · atmospheric re-entry — object destroyed

Specifications

NORAD ID748
COSPAR1964-006B
TypeSatellite
OperatorOKB1
Country / StateSU
ManufacturerOKB1
BusObject D
Mass460 kg
ProgrammeObjectD
CategorySCI
OrbitHEO (HEO)
Altitude408 × 68,014 km
Inclination60.5°

Frequently asked questions

What happened to 2D No. 2?

2D No. 2 re-entered Earth's atmosphere on 22 Apr 1997, 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 2D No. 2 re-enter the atmosphere?

2D No. 2 re-entered on 22 Apr 1997, according to Orbital Radar's historical catalogue records.

Who operated and built 2D No. 2?

2D No. 2 was operated by OKB1 and built by OKB1 (SU).

Launched together

2D No. 1NORAD 746
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.