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🛰️ SATELLITE · HISTORICAL RECORD

Lunar Prospector

Re-entered 7 Jan 1998

Lunar Prospector (NORAD 25131, COSPAR 1998-001A) was a US satellite that re-entered Earth's atmosphere on 7 Jan 1998, launched on 7 Jan 1998 on the LP mission. It is catalogued as LP. It was operated by ARC as part of the Discovery programme. The spacecraft was built by LMMS on the LM100 bus, with a mass of 296 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.

1998
launched
1998
re-entered
0
years on orbit
296
kg mass

Lifecycle

Launched7 Jan 1998 · on the LP mission
Operational31 Jul 1999 · entered service
Retired31 Jul 1999 · end of operational service
Re-entered7 Jan 1998 · atmospheric re-entry — object destroyed

Specifications

NORAD ID25131
COSPAR1998-001A
TypeSatellite
OperatorARC
Country / StateUS
ManufacturerLMMS
BusLM100
Mass296 kg (158 kg dry)
ProgrammeDiscovery
CategoryPLAN
OrbitBEO (CLO)
Altitude197 × 353,645 km
Inclination29.2°

Frequently asked questions

What happened to Lunar Prospector?

Lunar Prospector re-entered Earth's atmosphere on 7 Jan 1998, ending a mission that began with its launch in 1998. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did Lunar Prospector re-enter the atmosphere?

Lunar Prospector re-entered on 7 Jan 1998, according to Orbital Radar's historical catalogue records.

Who operated and built Lunar Prospector?

Lunar Prospector was operated by ARC and built by LMMS (US).

Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-19.