🛰️ SATELLITE · CATALOGUE RECORD
USA 636
In orbitUSA 636 (NORAD 100349, COSPAR 2026-186S) is a US satellite in orbit, launched on 16 Aug 2026 on the SBST R-1 mission. It is catalogued as SBST R-1 PL17. It is operated by USSF SSC as part of the SDNB programme. The spacecraft was built by SPXS on the Starshield bus, with a mass of 575 kg. No current orbital elements are published for it, so it is not shown on the live map or in pass predictions. Catalogue record from Orbital Radar's satellite archive, cross-referenced with the live satellite catalogue.
2026
launched
0
years on orbit
575
kg mass
Lifecycle
Launched16 Aug 2026 · on the SBST R-1 mission
StatusOn orbit (not live-tracked)
Specifications
NORAD ID100349
COSPAR2026-186S
TypeSatellite
OperatorUSSF SSC
Country / StateUS
ManufacturerSPXS
BusStarshield
Mass575 kg (530 kg dry)
ProgrammeSDNB
CategoryCOM
OrbitLEO (LLEO/I)
Altitude348 × 353 km
Inclination70.0°
Frequently asked questions
What is USA 636?
USA 636 is a satellite launched in 2026 that is still in orbit. No current orbital elements are published for it, so it is not shown on the live map or in pass predictions.
Who operates and built USA 636?
USA 636 is operated by USSF SSC and built by SPXS (US).
Launched together
Catalogue record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-10-16.