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🛰️ SATELLITE · HISTORICAL RECORD

Lemur FM91

Re-entered 15 Apr 2025

Lemur FM91 (NORAD 43884, COSPAR 2018-111J) was a L satellite that re-entered Earth's atmosphere on 15 Apr 2025, launched on 27 Dec 2018 on the Soyuz Rideshare 7 mission. It was operated by SPIREL 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.

2018
launched
2025
re-entered
7
years on orbit
4.6
kg mass

Lifecycle

Launched27 Dec 2018 · on the Soyuz Rideshare 7 mission
Operational1 Jan 2021 · entered service
Retired1 Jan 2023 · end of operational service
Re-entered15 Apr 2025 · atmospheric re-entry — object destroyed

Specifications

NORAD ID43884
COSPAR2018-111J
TypeSatellite
OperatorSPIREL
Country / StateL
ManufacturerSPIREG
BusCubesat 3U
Mass4.6 kg
ProgrammeSpire
CategoryCOM/MET-RO
OrbitLEO (LLEO/S)
Altitude570 × 585 km
Inclination97.7°

Frequently asked questions

What happened to Lemur FM91?

Lemur FM91 re-entered Earth's atmosphere on 15 Apr 2025, ending a mission that began with its launch in 2018. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did Lemur FM91 re-enter the atmosphere?

Lemur FM91 re-entered on 15 Apr 2025, according to Orbital Radar's historical catalogue records.

How long was Lemur FM91 operational?

Lemur FM91 was operational for roughly 24 months, from 1 Jan 2021 to 1 Jan 2023.

Who operated and built Lemur FM91?

Lemur FM91 was operated by SPIREL and built by SPIREG (L).

Launched together

Kanopus-VNORAD 43876SAMSON mass simulatorRe-entered 2026Dove 106bRe-entered 2023Dove 106aRe-entered 2023Dove 106fRe-entered 2023Dove 106eRe-entered 2023Dove 106dRe-entered 2023Dove 1065Re-entered 2023
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.