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🛰️ SATELLITE · HISTORICAL RECORD

QB50-ES01

Re-entered 16 Feb 2019

QB50-ES01 (NORAD 42728, COSPAR 1998-067MH) was a E satellite that re-entered Earth's atmosphere on 16 Feb 2019, launched on 18 Apr 2017 on the 77KM No. 17501 mission. It was operated by UPM as part of the UPM programme. The spacecraft was built by UPM 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
Operational25 May 2017 · entered service
Retired25 May 2017 · end of operational service
Re-entered16 Feb 2019 · atmospheric re-entry — object destroyed

Specifications

NORAD ID42728
COSPAR1998-067MH
TypeSatellite
OperatorUPM
Country / StateE
ManufacturerUPM
BusCubesat 2U
Mass2 kg
ProgrammeUPM
CategorySCI
OrbitLEO (LLEO/I)
Altitude400 × 406 km
Inclination51.6°

Frequently asked questions

What happened to QB50-ES01?

QB50-ES01 re-entered Earth's atmosphere on 16 Feb 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-ES01 re-enter the atmosphere?

QB50-ES01 re-entered on 16 Feb 2019, according to Orbital Radar's historical catalogue records.

Who operated and built QB50-ES01?

QB50-ES01 was operated by UPM and built by UPM (E).

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.