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🛰️ SATELLITE · HISTORICAL RECORD

Lemur FM143

Re-entered 5 Dec 2023

Lemur FM143 (NORAD 48925, COSPAR 2021-059AY) was a L satellite that re-entered Earth's atmosphere on 5 Dec 2023, launched on 30 Jun 2021 on the Transporter-2 mission. It was operated by SPIREL / 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.

2021
launched
2023
re-entered
2
years on orbit
4.6
kg mass

Lifecycle

Launched30 Jun 2021 · on the Transporter-2 mission
Operational1 Dec 2023 · entered service
Retired1 Dec 2023 · end of operational service
Re-entered5 Dec 2023 · atmospheric re-entry — object destroyed

Specifications

NORAD ID48925
COSPAR2021-059AY
TypeSatellite
Country / StateL
ManufacturerSPIREG
BusCubesat 3U
Mass4.6 kg
ProgrammeSpire
CategoryCOM/MET-RO
OrbitLEO (LLEO/S)
Altitude524 × 536 km
Inclination97.5°

Frequently asked questions

What happened to Lemur FM143?

Lemur FM143 re-entered Earth's atmosphere on 5 Dec 2023, ending a mission that began with its launch in 2021. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did Lemur FM143 re-enter the atmosphere?

Lemur FM143 re-entered on 5 Dec 2023, according to Orbital Radar's historical catalogue records.

Who operated and built Lemur FM143?

Lemur FM143 was operated by SPIREL / Spire Global and built by SPIREG (L).

Launched together

Starlink TSP2-01Re-entered 2024LINCS BRe-entered 2025SpaceBEE 111Re-entered 2024Nusat-19Re-entered 2024Umbra-SAR 2001Re-entered 2024Mandrake 2ANORAD 48907Mandrake 2BNORAD 48908PACE-1NORAD 48909
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.