🛰️ SATELLITE · HISTORICAL RECORD
STP-SIV
Retired 2019STP-SIV (NORAD 37222, COSPAR 2010-062A) is a retired US satellite, withdrawn from service around 1 Jan 2019, launched on 20 Nov 2010 on the STP-SIV mission. It was operated by AFSMC as part of the STPSAT programme. The spacecraft was built by AEROAC/BALL on the Astro200/BCP-100 bus, with a mass of 135 kg. Historical record from Orbital Radar's satellite archive, cross-referenced with the live satellite catalogue.
2010
launched
2019
retired
16
years on orbit
135
kg mass
Lifecycle
Launched20 Nov 2010 · on the STP-SIV mission
Operational1 Jan 2019 · entered service
Retired1 Jan 2019 · end of operational service
StatusOn orbit (not live-tracked)
Specifications
NORAD ID37222
COSPAR2010-062A
TypeSatellite
OperatorAFSMC
Country / StateUS
ManufacturerAEROAC/BALL
BusAstro200/BCP-100
Mass135 kg
ProgrammeSTPSAT
CategoryTECH*
OrbitLEO (LEO/I)
Altitude628 × 655 km
Inclination71.9°
Frequently asked questions
What happened to STP-SIV?
STP-SIV was retired from service around 1 Jan 2019 after launching in 2010. It is no longer operational but remains catalogued.
Who operated and built STP-SIV?
STP-SIV was operated by AFSMC and built by AEROAC/BALL (US).
Launched together
Radio Aurora ExplorerO/OREOSFastsat-HSVFalconsat-5Fastrac 1STP-S26 Ballast ASTP-S26 Ballast BNanoSail-D2
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.