{"data":{"norad_id":41937,"intl_designator":"2017-004A","name":"SBIRS GEO-4 (USA 273)","alt_names":[],"object_type":"PAYLOAD","status":"ACTIVE","operator":null,"country":"US","launch_date":"2017-01-21","launch_site_code":"AFETR","launch_vehicle":null,"mission":null,"orbit_class":"UNKNOWN","rcs_meters":null,"size_class":null,"mass_kg":null,"dimensions":null,"purposes":["comms"],"wikipedia_slug":null,"has_3d_model":false,"image_url":null,"decayed_at":null,"tle_current":{"epoch":"2026-09-27T02:46:52.345632Z","epoch_age_seconds":3427293,"freshness":"OLD","line1":"1 41937U 17004A   26270.11588363 -.00000160  00000+0  00000+0 0  9994","line2":"2 41937   2.4414  45.5526 0001993 131.6933 209.2135  1.00271420 35610","mean_motion":1.0027142,"eccentricity":0.0001993,"inclination_deg":2.4414,"raan_deg":45.5526,"arg_perigee_deg":131.6933,"mean_anomaly_deg":209.2135,"bstar":0,"rev_number":3561,"period_min":1436.1021315944,"perigee_km":35778.293832778,"apogee_km":35795.100735724,"semimajor_km":42164.834284251,"source":"CELESTRAK","updated_at":"2026-09-28T09:00:43.213917Z"}}}