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🛰️ SATELLITE · HISTORICAL RECORD

AC-5a

Re-entered 19 Apr 2023

AC-5a (NORAD 39465, COSPAR 2013-072D) was a US satellite that re-entered Earth's atmosphere on 19 Apr 2023, launched on 6 Dec 2013 on the TOPAZ 3 mission. It was operated by AERO as part of the Aerocube programme. The spacecraft was built by AERO on the Cubesat 1.5U bus, with a mass of 2 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.

2013
launched
2023
re-entered
10
years on orbit
2
kg mass

Lifecycle

Launched6 Dec 2013 · on the TOPAZ 3 mission
Operational1 Jan 2018 · entered service
Retired1 Jan 2022 · end of operational service
Re-entered19 Apr 2023 · atmospheric re-entry — object destroyed

Specifications

NORAD ID39465
COSPAR2013-072D
TypeSatellite
OperatorAERO
Country / StateUS
ManufacturerAERO
BusCubesat 1.5U
Mass2 kg
ProgrammeAerocube
CategoryTECH
OrbitLEO (LEO/R)
Altitude462 × 890 km
Inclination120.5°

Frequently asked questions

What happened to AC-5a?

AC-5a re-entered Earth's atmosphere on 19 Apr 2023, ending a mission that began with its launch in 2013. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did AC-5a re-enter the atmosphere?

AC-5a re-entered on 19 Apr 2023, according to Orbital Radar's historical catalogue records.

How long was AC-5a operational?

AC-5a was operational for roughly 4 years, from 1 Jan 2018 to 1 Jan 2022.

Who operated and built AC-5a?

AC-5a was operated by AERO and built by AERO (US).

Launched together

FIREBIRD ARe-entered 2023FIREBIRD BRe-entered 2025AC-5bRe-entered 2022ALICENORAD 39467SMDC Nanosatellite ProgramRe-entered 2025M-Cubed/COVENORAD 39469CUNYSAT-1Re-entered 2025
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.