Explorer 1 Prime Unit 2
Re-entered 30 Jun 2024Explorer 1 Prime Unit 2 (NORAD 37855, COSPAR 2011-061F) was a US satellite that re-entered Earth's atmosphere on 30 Jun 2024, launched on 28 Oct 2011 on the NPOESS Prep Project mission. It was operated by MSU as part of the MSU programme. The spacecraft was built by MSU on the Cubesat 1U bus, with a mass of 1 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 Explorer 1 Prime Unit 2?
Explorer 1 Prime Unit 2 re-entered Earth's atmosphere on 30 Jun 2024, ending a mission that began with its launch in 2011. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.
When did Explorer 1 Prime Unit 2 re-enter the atmosphere?
Explorer 1 Prime Unit 2 re-entered on 30 Jun 2024, according to Orbital Radar's historical catalogue records.
Who operated and built Explorer 1 Prime Unit 2?
Explorer 1 Prime Unit 2 was operated by MSU and built by MSU (US).