Satellites/SDA-NG-T1TL-417
SDA-NG-T1TL-417
Satellite · United StatesActive
NORAD Number
100999
COSPAR ID
2026-231S
Launched
2026-10-10
site code AFWTR
Orbit
LEO
Constellation
Who
Owner / operatorUS
Manufacturer—
CountryUnited States
Catalogue owner codeUS
Orbit
OrbitingEarth
Orbit classLEO
Perigee936 km
Apogee948 km
Inclination81.5°
Period103.9 min
Radar cross-section—
Latest Orbital Elements
Epoch (UTC)2026-11-08 17:45:46
Mean motion13.8618771 rev/day
Eccentricity0.0008805
Inclination81.4991°
Right ascension of node173.9124°
Argument of perigee213.2871°
Mean anomaly146.7735°
B* drag term1.9294e-4
Element set999
Revolutions at epoch408
Mean elements (OMM) for the SGP4 model, refreshed every 6 hours. They describe the orbit at the epoch shown and drift as time passes, fastest for low orbits.
Source: CelesTrak satellite catalogue and GP data (celestrak.org); owner and manufacturer from GCAT (J. McDowell, CC BY 4.0).