🛰️ SATELLITE · HISTORICAL RECORD
STP-S26 Ballast B
Retired 2010STP-S26 Ballast B (NORAD 37231, COSPAR 2010-062K) is a retired US satellite, withdrawn from service around 20 Nov 2010, launched on 20 Nov 2010 on the STP-SIV mission. It was operated by AFSMC as part of the STP2 programme. The spacecraft was built by OSCC?, with a mass of 150 kg. Historical record from Orbital Radar's satellite archive, cross-referenced with the live satellite catalogue.
2010
launched
2010
retired
16
years on orbit
150
kg mass
Lifecycle
Launched20 Nov 2010 · on the STP-SIV mission
Operational20 Nov 2010 · entered service
Retired20 Nov 2010 · end of operational service
StatusOn orbit (not live-tracked)
Specifications
NORAD ID37231
COSPAR2010-062K
TypeSatellite
OperatorAFSMC
Country / StateUS
ManufacturerOSCC?
Mass150 kg
ProgrammeSTP2
CategoryTECH*
OrbitLEO (LEO/I)
Altitude1,200 × 1,204 km
Inclination72.0°
Frequently asked questions
What happened to STP-S26 Ballast B?
STP-S26 Ballast B was retired from service around 20 Nov 2010 after launching in 2010. It is no longer operational but remains catalogued.
Who operated and built STP-S26 Ballast B?
STP-S26 Ballast B was operated by AFSMC and built by OSCC? (US).
Launched together
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.