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🛰️ SATELLITE · HISTORICAL RECORD

RadSat-g

Re-entered 5 Apr 2021

RadSat-g (NORAD 43553, COSPAR 1998-067PB) was a US satellite that re-entered Earth's atmosphere on 5 Apr 2021, launched on 21 May 2018 on the 77KM No. 17501 mission. It was operated by MSU as part of the MSU programme. The spacecraft was built by MSU on the Cubesat 3U bus, with a mass of 4 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.

2018
launched
2021
re-entered
3
years on orbit
4
kg mass

Lifecycle

Launched21 May 2018 · on the 77KM No. 17501 mission
Operational1 Jan 2019 · entered service
Retired1 Apr 2021 · end of operational service
Re-entered5 Apr 2021 · atmospheric re-entry — object destroyed

Specifications

NORAD ID43553
COSPAR1998-067PB
TypeSatellite
OperatorMSU
Country / StateUS
ManufacturerMSU
BusCubesat 3U
Mass4 kg
ProgrammeMSU
CategoryTECH
OrbitLEO (LLEO/I)
Altitude398 × 407 km
Inclination51.6°

Frequently asked questions

What happened to RadSat-g?

RadSat-g re-entered Earth's atmosphere on 5 Apr 2021, ending a mission that began with its launch in 2018. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did RadSat-g re-enter the atmosphere?

RadSat-g re-entered on 5 Apr 2021, according to Orbital Radar's historical catalogue records.

How long was RadSat-g operational?

RadSat-g was operational for roughly 2 years, from 1 Jan 2019 to 1 Apr 2021.

Who operated and built RadSat-g?

RadSat-g was operated by MSU and built by MSU (US).

Launched together

CubeRRTRe-entered 2020TEMPEST-DRe-entered 2021RainCubeRe-entered 2020HaloSatRe-entered 2021RadixRe-entered 2020Endurosat OneRe-entered 2020EquisatRe-entered 2020MemSatRe-entered 2020
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.