Satellites/SDA-NG-T1TL-421

SDA-NG-T1TL-421

Satellite · United StatesActive

NORAD Number

101003

COSPAR ID

2026-231W

Launched

2026-10-10

site code AFWTR

Orbit

LEO

Constellation

SDA Proliferated Warfighter Space Architecture

Who

Owner / operatorUS

Manufacturer—

CountryUnited States

Catalogue owner codeUS

Orbit

OrbitingEarth

Orbit classLEO

Perigee935 km

Apogee948 km

Inclination81.5°

Period103.9 min

Radar cross-section—

Latest Orbital Elements

Epoch (UTC)2026-11-08 21:08:45

Mean motion13.86346706 rev/day

Eccentricity0.0009304

Inclination81.4985°

Right ascension of node173.78°

Argument of perigee208.935°

Mean anomaly151.1293°

B* drag term1.4913e-4

Element set999

Revolutions at epoch410

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).