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🛰️ SATELLITE · HISTORICAL RECORD

QB50-KR01

Re-entered 23 Sep 2018

QB50-KR01 (NORAD 42714, COSPAR 1998-067LV) was a KR satellite that re-entered Earth's atmosphere on 23 Sep 2018, launched on 18 Apr 2017 on the 77KM No. 17501 mission. It was operated by KAIST as part of the KAIST Cube programme. The spacecraft was built by KAIST 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
2018
re-entered
1
year on orbit
2
kg mass

Lifecycle

Launched18 Apr 2017 · on the 77KM No. 17501 mission
Operational14 Aug 2017 · entered service
Retired20 Dec 2017 · end of operational service
Re-entered23 Sep 2018 · atmospheric re-entry — object destroyed

Specifications

NORAD ID42714
COSPAR1998-067LV
TypeSatellite
OperatorKAIST
Country / StateKR
ManufacturerKAIST
BusCubesat 2U
Mass2 kg
ProgrammeKAIST Cube
CategorySCI
OrbitLEO (LLEO/I)
Altitude401 × 404 km
Inclination51.6°

Frequently asked questions

What happened to QB50-KR01?

QB50-KR01 re-entered Earth's atmosphere on 23 Sep 2018, 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-KR01 re-enter the atmosphere?

QB50-KR01 re-entered on 23 Sep 2018, according to Orbital Radar's historical catalogue records.

How long was QB50-KR01 operational?

QB50-KR01 was operational for roughly 4 months, from 14 Aug 2017 to 20 Dec 2017.

Who operated and built QB50-KR01?

QB50-KR01 was operated by KAIST and built by KAIST (KR).

Launched together

QB50-TR02Re-entered 2019QB50-DE02Re-entered 2019QB50-US04/QBUS 4Re-entered 2018KySat-3Re-entered 2018CXBN-2Re-entered 2019IceCubeRe-entered 2018QB50-TW01Re-entered 2019QB50-FR01Re-entered 2019
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.