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🛰️ SATELLITE · HISTORICAL RECORD

TW-1A

Re-entered 30 Dec 2022

TW-1A (NORAD 40928, COSPAR 2015-051D) was a CN satellite that re-entered Earth's atmosphere on 30 Dec 2022, launched on 25 Sep 2015 on the TW-1? mission. It was operated by SHANGT as part of the SECM programme. The spacecraft was built by SHANGT/SECM on the Cubesat 2U bus, with a mass of 1.7 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.

2015
launched
2022
re-entered
7
years on orbit
1.7
kg mass

Lifecycle

Launched25 Sep 2015 · on the TW-1? mission
Operational1 Dec 2022 · entered service
Retired1 Dec 2022 · end of operational service
Re-entered30 Dec 2022 · atmospheric re-entry — object destroyed

Specifications

NORAD ID40928
COSPAR2015-051D
TypeSatellite
OperatorSHANGT
Country / StateCN
ManufacturerSHANGT/SECM
BusCubesat 2U
Mass1.7 kg
ProgrammeSECM
CategoryTECH
OrbitLEO (LLEO/S)
Altitude466 × 484 km
Inclination97.3°

Frequently asked questions

What happened to TW-1A?

TW-1A re-entered Earth's atmosphere on 30 Dec 2022, ending a mission that began with its launch in 2015. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did TW-1A re-enter the atmosphere?

TW-1A re-entered on 30 Dec 2022, according to Orbital Radar's historical catalogue records.

Who operated and built TW-1A?

TW-1A was operated by SHANGT and built by SHANGT/SECM (CN).

Launched together

PJ-1Re-entered 2024TW-1CRe-entered 2021TW-1BRe-entered 2021
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.