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🛰️ SATELLITE · HISTORICAL RECORD

Lemur FM85

Re-entered 3 Feb 2023

Lemur FM85 (NORAD 43731, COSPAR 2018-096N) was a US satellite that re-entered Earth's atmosphere on 3 Feb 2023, launched on 29 Nov 2018 on the PSLV Rideshare 13 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
2023
re-entered
5
years on orbit
4.6
kg mass

Lifecycle

Launched29 Nov 2018 · on the PSLV Rideshare 13 mission
Operational1 Jan 2021 · entered service
Retired1 Jan 2021 · end of operational service
Re-entered3 Feb 2023 · atmospheric re-entry — object destroyed

Specifications

NORAD ID43731
COSPAR2018-096N
TypeSatellite
OperatorSpire Global
Country / StateUS
ManufacturerSPIREG
BusCubesat 3U
Mass4.6 kg
ProgrammeSpire
CategoryCOM/MET-RO
OrbitLEO (LLEO/S)
Altitude475 × 499 km
Inclination97.5°

Frequently asked questions

What happened to Lemur FM85?

Lemur FM85 re-entered Earth's atmosphere on 3 Feb 2023, 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 FM85 re-enter the atmosphere?

Lemur FM85 re-entered on 3 Feb 2023, according to Orbital Radar's historical catalogue records.

Who operated and built Lemur FM85?

Lemur FM85 was operated by Spire Global and built by SPIREG (US).

Launched together

HySISNORAD 43719Reaktor Hello WorldRe-entered 2023Hiber 1Re-entered 2023Lemur FM87Re-entered 2023Lemur FM88Re-entered 2023Dove 105aRe-entered 2022Dove 105bRe-entered 2022Dove 210cRe-entered 2022
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.