HomeLibrarySatellite DirectoryDemosat
🛰️ SATELLITE · HISTORICAL RECORD

Demosat

Retired 2004

Demosat (NORAD 28500, COSPAR 2004-050A) is a retired US satellite, withdrawn from service around 22 Dec 2004, launched on 21 Dec 2004 on the HLV-OLDSP mission. It is catalogued as HLV-OLDSP. It was operated by Boeing as part of the BOTEST programme. The spacecraft was built by BOHB/PFAB on the Demosat bus, with a mass of 5,993 kg. Historical record from Orbital Radar's satellite archive, cross-referenced with the live satellite catalogue.

2004
launched
2004
retired
22
years on orbit
5,993
kg mass

Lifecycle

Launched21 Dec 2004 · on the HLV-OLDSP mission
Operational22 Dec 2004 · entered service
Retired22 Dec 2004 · end of operational service
StatusOn orbit (not live-tracked)

Specifications

NORAD ID28500
COSPAR2004-050A
TypeSatellite
OperatorBoeing
Country / StateUS
ManufacturerBOHB/PFAB
BusDemosat
Mass5,993 kg
ProgrammeBOTEST
CategoryTECH
OrbitMEO (MEO)
Altitude17,862 × 36,470 km
Inclination12.9°

Frequently asked questions

What happened to Demosat?

Demosat was retired from service around 22 Dec 2004 after launching in 2004. It is no longer operational but remains catalogued.

Who operated and built Demosat?

Demosat was operated by Boeing and built by BOHB/PFAB (US).

Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-18.