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🛰️ SATELLITE · HISTORICAL RECORD

ARCE 1B

Re-entered 24 Jan 2024

ARCE 1B (NORAD 47615, COSPAR 2021-006EG) was a US satellite that re-entered Earth's atmosphere on 24 Jan 2024, launched on 24 Jan 2021 on the Transporter-1 mission. It was operated by USF as part of the USF programme. The spacecraft was built by USF on the Cubesat 0.5U bus, with a mass of 0.5 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
2024
re-entered
3
years on orbit
0.5
kg mass

Lifecycle

Launched24 Jan 2021 · on the Transporter-1 mission
Operational1 Jun 2021 · entered service
Retired1 Jun 2021 · end of operational service
Re-entered24 Jan 2024 · atmospheric re-entry — object destroyed

Specifications

NORAD ID47615
COSPAR2021-006EG
TypeSatellite
OperatorUSF
Country / StateUS
ManufacturerUSF
BusCubesat 0.5U
Mass0.5 kg
ProgrammeUSF
CategoryTECH
OrbitLEO (LLEO/S)
Altitude522 × 536 km
Inclination97.5°

Frequently asked questions

What happened to ARCE 1B?

ARCE 1B re-entered Earth's atmosphere on 24 Jan 2024, 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 ARCE 1B re-enter the atmosphere?

ARCE 1B re-entered on 24 Jan 2024, according to Orbital Radar's historical catalogue records.

Who operated and built ARCE 1B?

ARCE 1B was operated by USF and built by USF (US).

Launched together

Starlink TSP1-01Re-entered 2021UVSQ-SATRe-entered 2024YUSAT-1Re-entered 2024CharlieRe-entered 2024ASELSATRe-entered 2024SpaceBEE 63Re-entered 2024SpaceBEE 50Re-entered 2023SpaceBEE 51Re-entered 2023
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.