Tianzhi-1
Re-entered 5 Oct 2025Tianzhi-1 (NORAD 43710, COSPAR 2018-094A) was a CN satellite that re-entered Earth's atmosphere on 5 Oct 2025, launched on 19 Nov 2018 on the Shiyan 6 mission. It was operated by ISCAS as part of the Tianzhi programme. The spacecraft was built by IMICAS on the TZ-1 bus, with a mass of 27 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 Tianzhi-1?
Tianzhi-1 re-entered Earth's atmosphere on 5 Oct 2025, ending a mission that began with its launch in 2018. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.
When did Tianzhi-1 re-enter the atmosphere?
Tianzhi-1 re-entered on 5 Oct 2025, according to Orbital Radar's historical catalogue records.
How long was Tianzhi-1 operational?
Tianzhi-1 was operational for roughly 6 months, from 20 May 2019 to 20 Nov 2019.
Who operated and built Tianzhi-1?
Tianzhi-1 was operated by ISCAS and built by IMICAS (CN).