OSIRIS-3U

Re-entered 7 Mar 2019

OSIRIS-3U (NORAD 43027, COSPAR 1998-067NL) was a US satellite that re-entered Earth's atmosphere on 7 Mar 2019, launched on 14 Aug 2017 on the 77KM No. 17501 mission. It was operated by PSU as part of the PSU programme. The spacecraft was built by PSU 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.

2017

launched

2019

re-entered

years on orbit

kg mass

Lifecycle

Launched14 Aug 2017 · on the 77KM No. 17501 mission

Operational1 Dec 2017 · entered service

Retired1 Dec 2017 · end of operational service

Re-entered7 Mar 2019 · atmospheric re-entry — object destroyed

Specifications

NORAD ID43027

COSPAR1998-067NL

TypeSatellite

OperatorPSU

Country / StateUS

ManufacturerPSU

BusCubesat 3U

Mass4 kg

ProgrammePSU

CategorySCI

OrbitLEO (LLEO/I)

Altitude394 × 409 km

Inclination51.6°

Frequently asked questions

What happened to OSIRIS-3U?

OSIRIS-3U re-entered Earth's atmosphere on 7 Mar 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 OSIRIS-3U re-enter the atmosphere?

OSIRIS-3U re-entered on 7 Mar 2019, according to Orbital Radar's historical catalogue records.

Who operated and built OSIRIS-3U?

OSIRIS-3U was operated by PSU and built by PSU (US).

Launched together

KestrelEye II-MRe-entered 2017 ASTERIARe-entered 2020 DellingrRe-entered 2021 Dragon C113Re-entered 2017

Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.

Browse the live satellite directory → Re-entered satellites archive → Launch record: 77KM No. 17501 → What is space debris? →