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🛰️ SATELLITE · HISTORICAL RECORD

Lemur FM76

Re-entered 24 Jun 2025

Lemur FM76 (NORAD 43183, COSPAR 2018-014D) was a US satellite that re-entered Earth's atmosphere on 24 Jun 2025, launched on 1 Feb 2018 on the Soyuz Rideshare 6 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.

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

Lifecycle

Launched1 Feb 2018 · on the Soyuz Rideshare 6 mission
Operational1 Jan 2021 · entered service
Retired1 Sep 2022 · end of operational service
Re-entered24 Jun 2025 · atmospheric re-entry — object destroyed

Specifications

NORAD ID43183
COSPAR2018-014D
TypeSatellite
OperatorSpire Global
Country / StateUS
ManufacturerSPIREG
BusCubesat 3U
Mass4.6 kg
ProgrammeSpire
CategoryCOM/MET-RO
OrbitLEO (LLEO/S)
Altitude571 × 589 km
Inclination97.7°

Frequently asked questions

What happened to Lemur FM76?

Lemur FM76 re-entered Earth's atmosphere on 24 Jun 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 FM76 re-enter the atmosphere?

Lemur FM76 re-entered on 24 Jun 2025, according to Orbital Radar's historical catalogue records.

How long was Lemur FM76 operational?

Lemur FM76 was operational for roughly 20 months, from 1 Jan 2021 to 1 Sep 2022.

Who operated and built Lemur FM76?

Lemur FM76 was operated by Spire Global and built by SPIREG (US).

Launched together

Kanopus-VNORAD 43180Kanopus-VNORAD 43181Lemur FM75Re-entered 2026Lemur FM77Re-entered 2026Lemur FM78Re-entered 2025S-NET DNORAD 43186S-NET BNORAD 43187S-NET ANORAD 43188
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.