APEX
Re-entered 22 May 2024APEX (NORAD 23191, COSPAR 1994-046A) was a US satellite that re-entered Earth's atmosphere on 22 May 2024, launched on 3 Aug 1994 on the APEX mission. It was operated by STP as part of the STP1 programme. The spacecraft was built by OSCG on the Pegastar bus, with a mass of 261 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.
Lifecycle
Specifications
Frequently asked questions
What happened to APEX?
APEX re-entered Earth's atmosphere on 22 May 2024, ending a mission that began with its launch in 1994. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.
When did APEX re-enter the atmosphere?
APEX re-entered on 22 May 2024, according to Orbital Radar's historical catalogue records.
How long was APEX operational?
APEX was operational for roughly 5 years, from 4 Jun 1996 to 1 Sep 2001.
Who operated and built APEX?
APEX was operated by STP and built by OSCG (US).