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🛰️ SATELLITE · HISTORICAL RECORD

Lemur FM55

Re-entered 28 Feb 2022

Lemur FM55 (NORAD 43048, COSPAR 2017-071M) was a US satellite that re-entered Earth's atmosphere on 28 Feb 2022, launched on 12 Nov 2017 on the Cygnus OA-8 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 4.6 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
4.6
kg mass

Lifecycle

Launched12 Nov 2017 · on the Cygnus OA-8 mission
Operational1 Nov 2020 · entered service
Retired1 Nov 2020 · end of operational service
Re-entered28 Feb 2022 · atmospheric re-entry — object destroyed

Specifications

NORAD ID43048
COSPAR2017-071M
TypeSatellite
OperatorSpire Global
Country / StateUS
ManufacturerSPIREG
BusCubesat 3U
Mass4.6 kg
ProgrammeSpire
CategoryCOM/MET-RO
OrbitLEO (LLEO/I)
Altitude451 × 455 km
Inclination51.6°

Frequently asked questions

What happened to Lemur FM55?

Lemur FM55 re-entered Earth's atmosphere on 28 Feb 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 FM55 re-enter the atmosphere?

Lemur FM55 re-entered on 28 Feb 2022, according to Orbital Radar's historical catalogue records.

Who operated and built Lemur FM55?

Lemur FM55 was operated by Spire Global and built by SPIREG (US).

Launched together

EcAMSatRe-entered 2017TES-6Re-entered 2017Cygnus OA-8Re-entered 2017Lemur FM51Re-entered 2022AC-7BRe-entered 2022AC-7CRe-entered 2022CHEFsatRe-entered 2022Lemur FM52Re-entered 2022
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.