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🛰️ SATELLITE · HISTORICAL RECORD

MemSat

Re-entered 27 Sep 2020

MemSat (NORAD 43554, COSPAR 1998-067PC) was a US satellite that re-entered Earth's atmosphere on 27 Sep 2020, launched on 21 May 2018 on the 77KM No. 17501 mission. It was operated by ROWAN as part of the Rowan programme. The spacecraft was built by ROWAN on the Cubesat 1U bus, with a mass of 0.7 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
2020
re-entered
2
years on orbit
0.7
kg mass

Lifecycle

Launched21 May 2018 · on the 77KM No. 17501 mission
Operational13 Jul 2018 · entered service
Retired13 Jul 2018 · end of operational service
Re-entered27 Sep 2020 · atmospheric re-entry — object destroyed

Specifications

NORAD ID43554
COSPAR1998-067PC
TypeSatellite
OperatorROWAN
Country / StateUS
ManufacturerROWAN
BusCubesat 1U
Mass0.7 kg
ProgrammeRowan
CategoryTECH
OrbitLEO (LLEO/I)
Altitude400 × 406 km
Inclination51.6°

Frequently asked questions

What happened to MemSat?

MemSat re-entered Earth's atmosphere on 27 Sep 2020, 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 MemSat re-enter the atmosphere?

MemSat re-entered on 27 Sep 2020, according to Orbital Radar's historical catalogue records.

Who operated and built MemSat?

MemSat was operated by ROWAN and built by ROWAN (US).

Launched together

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