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🛰️ SATELLITE · HISTORICAL RECORD

GAMBIT-3 FM-33

Re-entered 17 Nov 1971

GAMBIT-3 FM-33 (NORAD 5575, COSPAR 1971-092A) was a US satellite that re-entered Earth's atmosphere on 17 Nov 1971, launched on 23 Oct 1971 on the GAMBIT-3 Mission 4333 mission. It was operated by NRO / SAFSP as part of the KH8C programme. The spacecraft was built by LMSC on the KH-8 bus, with a mass of 2,400 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.

1971
launched
1971
re-entered
0
years on orbit
2,400
kg mass

Lifecycle

Launched23 Oct 1971 · on the GAMBIT-3 Mission 4333 mission
Operational17 Nov 1971 · entered service
Retired17 Nov 1971 · end of operational service
Re-entered17 Nov 1971 · atmospheric re-entry — object destroyed

Specifications

NORAD ID5575
COSPAR1971-092A
TypeSatellite
OperatorNRO / SAFSP
Country / StateUS
ManufacturerLMSC
BusKH-8
Mass2,400 kg
ProgrammeKH8C
CategoryIMG
OrbitLEO (LLEO/R)
Altitude130 × 393 km
Inclination110.9°

Frequently asked questions

What happened to GAMBIT-3 FM-33?

GAMBIT-3 FM-33 re-entered Earth's atmosphere on 17 Nov 1971, ending a mission that began with its launch in 1971. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did GAMBIT-3 FM-33 re-enter the atmosphere?

GAMBIT-3 FM-33 re-entered on 17 Nov 1971, according to Orbital Radar's historical catalogue records.

Who operated and built GAMBIT-3 FM-33?

GAMBIT-3 FM-33 was operated by NRO / SAFSP and built by LMSC (US).

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