🛰️ SATELLITE · HISTORICAL RECORD
STSS-Demo 1
Retired 2022STSS-Demo 1 (NORAD 35937, COSPAR 2009-052A) is a retired US satellite, withdrawn from service around 8 Mar 2022, launched on 25 Sep 2009 on the STSS 1 mission. It was operated by MDA as part of the STSS programme. The spacecraft was built by NGAS on the T310? bus, with a mass of 1,022 kg. Historical record from Orbital Radar's satellite archive, cross-referenced with the live satellite catalogue.
2009
launched
2022
retired
17
years on orbit
1,022
kg mass
Lifecycle
Launched25 Sep 2009 · on the STSS 1 mission
Operational1 Nov 2021 · entered service
Retired8 Mar 2022 · end of operational service
StatusOn orbit (not live-tracked)
Specifications
NORAD ID35937
COSPAR2009-052A
TypeSatellite
OperatorMDA
Country / StateUS
ManufacturerNGAS
BusT310?
Mass1,022 kg
ProgrammeSTSS
CategoryEW*
OrbitLEO (LEO/I)
Altitude1,346 × 1,352 km
Inclination58.0°
Frequently asked questions
What happened to STSS-Demo 1?
STSS-Demo 1 was retired from service around 8 Mar 2022 after launching in 2009. It is no longer operational but remains catalogued.
How long was STSS-Demo 1 operational?
STSS-Demo 1 was operational for roughly 4 months, from 1 Nov 2021 to 8 Mar 2022.
Who operated and built STSS-Demo 1?
STSS-Demo 1 was operated by MDA and built by NGAS (US).
Launched together
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.