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🛰️ SATELLITE · HISTORICAL RECORD

Tiantuo-2

Re-entered 1 Feb 2025

Tiantuo-2 (NORAD 40144, COSPAR 2014-053B) was a CN satellite that re-entered Earth's atmosphere on 1 Feb 2025, launched on 8 Sep 2014 on the YG-21/TT-1 No. 2 mission. It was operated by NUDTC as part of the Tiantuo programme. The spacecraft was built by NUDTC on the TT2 bus, with a mass of 67 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.

2014
launched
2025
re-entered
11
years on orbit
67
kg mass

Lifecycle

Launched8 Sep 2014 · on the YG-21/TT-1 No. 2 mission
Operational1 Jan 2020 · entered service
Retired1 Jan 2020 · end of operational service
Re-entered1 Feb 2025 · atmospheric re-entry — object destroyed

Specifications

NORAD ID40144
COSPAR2014-053B
TypeSatellite
OperatorNUDTC
Country / StateCN
ManufacturerNUDTC
BusTT2
Mass67 kg
ProgrammeTiantuo
CategoryTECH
OrbitLEO (LLEO/S)
Altitude476 × 493 km
Inclination97.4°

Frequently asked questions

What happened to Tiantuo-2?

Tiantuo-2 re-entered Earth's atmosphere on 1 Feb 2025, ending a mission that began with its launch in 2014. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did Tiantuo-2 re-enter the atmosphere?

Tiantuo-2 re-entered on 1 Feb 2025, according to Orbital Radar's historical catalogue records.

Who operated and built Tiantuo-2?

Tiantuo-2 was operated by NUDTC and built by NUDTC (CN).

Launched together

Jianbing-10 03 xingNORAD 40143
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.