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🛰️ SATELLITE · HISTORICAL RECORD

Lemur FM41

Re-entered 1 Apr 2024

Lemur FM41 (NORAD 42781, COSPAR 2017-036S) was a US satellite that re-entered Earth's atmosphere on 1 Apr 2024, launched on 23 Jun 2017 on the PSLV Rideshare 10 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
2024
re-entered
7
years on orbit
4
kg mass

Lifecycle

Launched23 Jun 2017 · on the PSLV Rideshare 10 mission
Operational1 Jun 2020 · entered service
Retired1 Jun 2020 · end of operational service
Re-entered1 Apr 2024 · atmospheric re-entry — object destroyed

Specifications

NORAD ID42781
COSPAR2017-036S
TypeSatellite
OperatorSpire Global
Country / StateUS
ManufacturerSPIREG
BusCubesat 3U
Mass4 kg
ProgrammeSpire
CategoryCOM/MET-RO
OrbitLEO (LLEO/S)
Altitude496 × 510 km
Inclination97.5°

Frequently asked questions

What happened to Lemur FM41?

Lemur FM41 re-entered Earth's atmosphere on 1 Apr 2024, 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 FM41 re-enter the atmosphere?

Lemur FM41 re-entered on 1 Apr 2024, according to Orbital Radar's historical catalogue records.

Who operated and built Lemur FM41?

Lemur FM41 was operated by Spire Global and built by SPIREG (US).

Launched together

QB50-GB03Re-entered 2023skCUBERe-entered 2023Venta-1Re-entered 2024ROBUSTA 1BRe-entered 2023CICERO-6Re-entered 2024D-SATNORAD 42794TYVAK-53BRe-entered 2023
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.