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🛰️ SATELLITE · HISTORICAL RECORD

LO-D

Re-entered 7 May 1967

LO-D (NORAD 2772, COSPAR 1967-041A) was a US satellite that re-entered Earth's atmosphere on 7 May 1967, launched on 4 May 1967 on the Lunar Orbiter D mission. It was operated by LARCN as part of the LO programme. The spacecraft was built by BOKT on the Lunar Orbiter bus, with a mass of 389 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.

1967
launched
1967
re-entered
0
years on orbit
389
kg mass

Lifecycle

Launched4 May 1967 · on the Lunar Orbiter D mission
Operational17 Jul 1967 · entered service
Retired17 Jul 1967 · end of operational service
Re-entered7 May 1967 · atmospheric re-entry — object destroyed

Specifications

NORAD ID2772
COSPAR1967-041A
TypeSatellite
OperatorLARCN
Country / StateUS
ManufacturerBOKT
BusLunar Orbiter
Mass389 kg (270 kg dry)
ProgrammeLO
CategoryPLAN
OrbitBEO (CLO)
Altitude334 × 435,516 km
Inclination22.7°

Frequently asked questions

What happened to LO-D?

LO-D re-entered Earth's atmosphere on 7 May 1967, ending a mission that began with its launch in 1967. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did LO-D re-enter the atmosphere?

LO-D re-entered on 7 May 1967, according to Orbital Radar's historical catalogue records.

Who operated and built LO-D?

LO-D was operated by LARCN and built by BOKT (US).

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