HomeLibraryRe-entered SatellitesTianyi-XX
🛰️ SATELLITE · HISTORICAL RECORD

Tianyi-XX

Re-entered 1 Aug 2023

Tianyi-XX (NORAD 49815, COSPAR 2021-117D) was a CN satellite that re-entered Earth's atmosphere on 1 Aug 2023, launched on 7 Dec 2021 on the TD-1/LZ-1/JZJ1-03/JZJ5 mission. It was operated by CTYK / YINGSH as part of the Tianyi programme. The spacecraft was built by CTYK/ZRWC on the Lize bus, with a mass of 20 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
2023
re-entered
2
years on orbit
20
kg mass

Lifecycle

Launched7 Dec 2021 · on the TD-1/LZ-1/JZJ1-03/JZJ5 mission
Operational1 Jun 2023 · entered service
Retired1 Jun 2023 · end of operational service
Re-entered1 Aug 2023 · atmospheric re-entry — object destroyed

Specifications

NORAD ID49815
COSPAR2021-117D
TypeSatellite
OperatorCTYK / YINGSH
Country / StateCN
ManufacturerCTYK/ZRWC
BusLize
Mass20 kg
ProgrammeTianyi
CategoryTECH
OrbitLEO (LLEO/S)
Altitude485 × 501 km
Inclination97.4°

Frequently asked questions

What happened to Tianyi-XX?

Tianyi-XX re-entered Earth's atmosphere on 1 Aug 2023, 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 Tianyi-XX re-enter the atmosphere?

Tianyi-XX re-entered on 1 Aug 2023, according to Orbital Radar's historical catalogue records.

Who operated and built Tianyi-XX?

Tianyi-XX was operated by CTYK / YINGSH and built by CTYK/ZRWC (CN).

Launched together

Tianjin Daxue 1Re-entered 2024JZJ 1-03Re-entered 2024Tiansuan-1Re-entered 2023JZJ-5Re-entered 2023
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.