HomeLibraryRe-entered SatellitesUnix Space Server Langley
🛰️ SATELLITE · HISTORICAL RECORD

Unix Space Server Langley

Re-entered 1 Jan 2023

Unix Space Server Langley (NORAD 40652, COSPAR 2015-025B) was a US satellite that re-entered Earth's atmosphere on 1 Jan 2023, launched on 20 May 2015 on the X-37B No. 2? mission. It was operated by USNA as part of the USNA programme. The spacecraft was built by USNA 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.

2015
launched
2023
re-entered
8
years on orbit
4
kg mass

Lifecycle

Launched20 May 2015 · on the X-37B No. 2? mission
Operational20 May 2015 · entered service
Retired20 May 2015 · end of operational service
Re-entered1 Jan 2023 · atmospheric re-entry — object destroyed

Specifications

NORAD ID40652
COSPAR2015-025B
TypeSatellite
OperatorUSNA
Country / StateUS
ManufacturerUSNA
BusCubesat 3U
Mass4 kg
ProgrammeUSNA
CategoryTECH
OrbitLEO (LLEO/I)
Altitude356 × 700 km
Inclination55.0°

Frequently asked questions

What happened to Unix Space Server Langley?

Unix Space Server Langley re-entered Earth's atmosphere on 1 Jan 2023, ending a mission that began with its launch in 2015. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did Unix Space Server Langley re-enter the atmosphere?

Unix Space Server Langley re-entered on 1 Jan 2023, according to Orbital Radar's historical catalogue records.

Who operated and built Unix Space Server Langley?

Unix Space Server Langley was operated by USNA and built by USNA (US).

Launched together

X-37B No. 2 F2Re-entered 2017Optical CubeSat 1Re-entered 2022ParkinsonSat-1Re-entered 2021BRICSat-PRe-entered 2024Optical CubeSat 2Re-entered 2023GEARRS-2Re-entered 2022Optical CubeSat 3Re-entered 2023AC-8aRe-entered 2021
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.