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STSS-Demo 2

Retired 2022

STSS-Demo 2 (NORAD 35938, COSPAR 2009-052B) is a retired US satellite, withdrawn from service around 8 Mar 2022, launched on 25 Sep 2009 on the STSS 1 mission.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 ID35938
COSPAR2009-052B
TypeSatellite
OperatorMDA
Country / StateUS
ManufacturerNGAS
BusT310?
Mass1,022 kg
ProgrammeSTSS
CategoryEW*
OrbitLEO (LEO/I)
Altitude1,339 × 1,350 km
Inclination58.0°

Frequently asked questions

What happened to STSS-Demo 2?

STSS-Demo 2 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 2 operational?

STSS-Demo 2 was operational for roughly 4 months, from 1 Nov 2021 to 8 Mar 2022.

Who operated and built STSS-Demo 2?

STSS-Demo 2 was operated by MDA and built by NGAS (US).

Launched together

STSS-Demo 1NORAD 35937
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.