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🛰️ SATELLITE · HISTORICAL RECORD

ELO-4

Re-entered 25 Jan 2025

ELO-4 (NORAD 56990, COSPAR 2023-084BS) was a UK satellite that re-entered Earth's atmosphere on 25 Jan 2025, launched on 12 Jun 2023 on the Transporter-8 mission. It was operated by CLAAC / EUTSA as part of the ELO programme. The spacecraft was built by CLAAC on the Cubesat 6U bus, with a mass of 12 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.

2023
launched
2025
re-entered
2
years on orbit
12
kg mass

Lifecycle

Launched12 Jun 2023 · on the Transporter-8 mission
Operational1 Dec 2024 · entered service
Retired1 Dec 2024 · end of operational service
Re-entered25 Jan 2025 · atmospheric re-entry — object destroyed

Specifications

NORAD ID56990
COSPAR2023-084BS
TypeSatellite
OperatorCLAAC / EUTSA
Country / StateUK
ManufacturerCLAAC
BusCubesat 6U
Mass12 kg
ProgrammeELO
CategoryCOM
OrbitLEO (LLEO/S)
Altitude516 × 537 km
Inclination97.5°

Frequently asked questions

What happened to ELO-4?

ELO-4 re-entered Earth's atmosphere on 25 Jan 2025, ending a mission that began with its launch in 2023. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did ELO-4 re-enter the atmosphere?

ELO-4 re-entered on 25 Jan 2025, according to Orbital Radar's historical catalogue records.

Who operated and built ELO-4?

ELO-4 was operated by CLAAC / EUTSA and built by CLAAC (UK).

Launched together

FossaSat-2E16Re-entered 2024Blackjack Aces-1NORAD 56956ION-SCV011NORAD 56957GHOST-3NORAD 56958Pioneer-01Re-entered 2024Launcher Orbiter SN3NORAD 56960ICEYE-X26Re-entered 2026Tomorrow-R2Re-entered 2026
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.