HomeLibraryRe-entered SatellitesQB50-CN04/BE04
🛰️ SATELLITE · HISTORICAL RECORD

QB50-CN04/BE04

Re-entered 26 Jun 2019

QB50-CN04/BE04 (NORAD 42735, COSPAR 1998-067MQ) was a CN satellite that re-entered Earth's atmosphere on 26 Jun 2019, launched on 18 Apr 2017 on the 77KM No. 17501 mission. It was operated by SELM as part of the NWPU programme. The spacecraft was built by SELM 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 Jul 2019 · entered service
Retired1 Jul 2019 · end of operational service
Re-entered26 Jun 2019 · atmospheric re-entry — object destroyed

Specifications

NORAD ID42735
COSPAR1998-067MQ
TypeSatellite
OperatorSELM
Country / StateCN
ManufacturerSELM
BusCubesat 2U
Mass2 kg
ProgrammeNWPU
CategorySCI
OrbitLEO (LLEO/I)
Altitude397 × 409 km
Inclination51.6°

Frequently asked questions

What happened to QB50-CN04/BE04?

QB50-CN04/BE04 re-entered Earth's atmosphere on 26 Jun 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-CN04/BE04 re-enter the atmosphere?

QB50-CN04/BE04 re-entered on 26 Jun 2019, according to Orbital Radar's historical catalogue records.

Who operated and built QB50-CN04/BE04?

QB50-CN04/BE04 was operated by SELM and built by SELM (CN).

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.