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🛰️ SATELLITE · HISTORICAL RECORD

Lemur FM50

Re-entered 30 Jun 2022

Lemur FM50 (NORAD 42881, COSPAR 2017-042BJ) was a US satellite that re-entered Earth's atmosphere on 30 Jun 2022, launched on 14 Jul 2017 on the Soyuz Rideshare 4 mission. It was operated by Spire Global as part of the Spire programme. The spacecraft was built by SPIREG on the Cubesat 3U bus, with a mass of 4 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.

2017
launched
2022
re-entered
5
years on orbit
4
kg mass

Lifecycle

Launched14 Jul 2017 · on the Soyuz Rideshare 4 mission
Operational1 Jul 2020 · entered service
Retired1 Jul 2020 · end of operational service
Re-entered30 Jun 2022 · atmospheric re-entry — object destroyed

Specifications

NORAD ID42881
COSPAR2017-042BJ
TypeSatellite
OperatorSpire Global
Country / StateUS
ManufacturerSPIREG
BusCubesat 3U
Mass4 kg
ProgrammeSpire
CategoryCOM/MET-RO
OrbitLEO (LLEO/S)
Altitude585 × 601 km
Inclination97.6°

Frequently asked questions

What happened to Lemur FM50?

Lemur FM50 re-entered Earth's atmosphere on 30 Jun 2022, ending a mission that began with its launch in 2017. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did Lemur FM50 re-enter the atmosphere?

Lemur FM50 re-entered on 30 Jun 2022, according to Orbital Radar's historical catalogue records.

Who operated and built Lemur FM50?

Lemur FM50 was operated by Spire Global and built by SPIREG (US).

Launched together

Kanopus-V-IK No. 2NORAD 42825CICERO-3NORAD NaNDove 0F21Re-entered 2022Dove 0F24Re-entered 2022Dove 0F1ARe-entered 2022Dove 0F1ERe-entered 2022Dove 1043Re-entered 2022Dove 101CRe-entered 2022
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.