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🛰️ SATELLITE · HISTORICAL RECORD

QB50-TW01

Re-entered 8 May 2019

QB50-TW01 (NORAD 42706, COSPAR 1998-067LP) was a TW satellite that re-entered Earth's atmosphere on 8 May 2019, launched on 18 Apr 2017 on the 77KM No. 17501 mission. It was operated by NCKU as part of the NCKU programme. The spacecraft was built by NCKU on the Cubesat 2U bus, with a mass of 2 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.

2017
launched
2019
re-entered
2
years on orbit
2
kg mass

Lifecycle

Launched18 Apr 2017 · on the 77KM No. 17501 mission
Operational1 May 2019 · entered service
Retired1 May 2019 · end of operational service
Re-entered8 May 2019 · atmospheric re-entry — object destroyed

Specifications

NORAD ID42706
COSPAR1998-067LP
TypeSatellite
OperatorNCKU
Country / StateTW
ManufacturerNCKU
BusCubesat 2U
Mass2 kg
ProgrammeNCKU
CategorySCI
OrbitLEO (LLEO/I)
Altitude402 × 403 km
Inclination51.6°

Frequently asked questions

What happened to QB50-TW01?

QB50-TW01 re-entered Earth's atmosphere on 8 May 2019, ending a mission that began with its launch in 2017. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did QB50-TW01 re-enter the atmosphere?

QB50-TW01 re-entered on 8 May 2019, according to Orbital Radar's historical catalogue records.

Who operated and built QB50-TW01?

QB50-TW01 was operated by NCKU and built by NCKU (TW).

Launched together

QB50-TR02Re-entered 2019QB50-DE02Re-entered 2019QB50-US04/QBUS 4Re-entered 2018KySat-3Re-entered 2018CXBN-2Re-entered 2019IceCubeRe-entered 2018QB50-FR01Re-entered 2019QB50-SE01Re-entered 2019
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.