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🛰️ SATELLITE · HISTORICAL RECORD

GAMBIT-3 FM-12

Re-entered 24 Mar 1968

GAMBIT-3 FM-12 (NORAD 3148, COSPAR 1968-018A) was a US satellite that re-entered Earth's atmosphere on 24 Mar 1968, launched on 13 Mar 1968 on the GAMBIT-3 Mission 4312 mission. It was operated by NRO / SAFSP as part of the KH8A programme. The spacecraft was built by LMSC on the KH-8 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.

1968
launched
1968
re-entered
0
years on orbit
2,250
kg mass

Lifecycle

Launched13 Mar 1968 · on the GAMBIT-3 Mission 4312 mission
Operational24 Mar 1968 · entered service
Retired24 Mar 1968 · end of operational service
Re-entered24 Mar 1968 · atmospheric re-entry — object destroyed

Specifications

NORAD ID3148
COSPAR1968-018A
TypeSatellite
OperatorNRO / SAFSP
Country / StateUS
ManufacturerLMSC
BusKH-8
Mass2,250 kg
ProgrammeKH8A
CategoryIMG
OrbitLEO (LLEO/S)
Altitude129 × 403 km
Inclination99.9°

Frequently asked questions

What happened to GAMBIT-3 FM-12?

GAMBIT-3 FM-12 re-entered Earth's atmosphere on 24 Mar 1968, ending a mission that began with its launch in 1968. 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-12 re-enter the atmosphere?

GAMBIT-3 FM-12 re-entered on 24 Mar 1968, according to Orbital Radar's historical catalogue records.

Who operated and built GAMBIT-3 FM-12?

GAMBIT-3 FM-12 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.