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🛰️ SATELLITE · HISTORICAL RECORD

Apollo 10 LM

Re-entered 19 May 1969

Apollo 10 LM (NORAD 3949, COSPAR 1969-043D) was a US satellite that re-entered Earth's atmosphere on 19 May 1969, launched on 18 May 1969 on the Apollo CM-106 mission. It is catalogued as LM 4 AS. It was operated by MSC as part of the LM AS programme. The spacecraft was built by GRUM on the LM AS bus, with a mass of 3,752 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.

1969
launched
1969
re-entered
0
years on orbit
3,752
kg mass

Lifecycle

Launched18 May 1969 · on the Apollo CM-106 mission
Operational23 May 1969 · entered service
Retired23 May 1969 · end of operational service
Re-entered19 May 1969 · atmospheric re-entry — object destroyed

Specifications

NORAD ID3949
COSPAR1969-043D
TypeSatellite
OperatorMSC
Country / StateUS
ManufacturerGRUM
BusLM AS
Mass3,752 kg (2,378 kg dry)
ProgrammeLM AS
CategorySS
OrbitBEO (CLO)
Altitude227 × 607,532 km
Inclination31.8°

Frequently asked questions

What happened to Apollo 10 LM?

Apollo 10 LM re-entered Earth's atmosphere on 19 May 1969, ending a mission that began with its launch in 1969. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did Apollo 10 LM re-enter the atmosphere?

Apollo 10 LM re-entered on 19 May 1969, according to Orbital Radar's historical catalogue records.

Who operated and built Apollo 10 LM?

Apollo 10 LM was operated by MSC and built by GRUM (US).

Launched together

Apollo CM-106Re-entered 1969
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-10-21.