The Dexes / Satellite Decay / 43445
CelestialObjectDex · Satellite Decay
USA 285
43445 · 2026-03-27T07:18:42Z
Fixes
137
Sensor hits
0
Observations
137
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-03-27T07:18:42.134112+00:00 |
|---|---|
| end_utc | 2026-08-09T20:04:42.609792+00:00 |
| family | celestialdex |
| norad_id | 43,445 |
| object_name | USA 285 |
| group | active |
| eccentricity_median | 0.001 |
| inclination_deg_median | 7.154 |
| n_snaps | 137 |
| span_days | 135.532 |
| mean_motion_first | 1.021 |
| mean_motion_last | 1.021 |
| delta_mean_motion | 0.000 |
| altitude_first_km | 35277.903 |
| altitude_last_km | 35277.882 |
| decay_rate_rev_day2 | -0.000 |
| altitude_decay_km_day | 0.002 |
| decay_note | mean_motion slope (rev/day^2) and altitude slope (km/day) from least-squares fit of measured GP elements; altitude from Kepler a=(GM/n^2)^(1/3) - R_earth |
| first_utc | 2026-03-27T07:18:42.134112+00:00 |
| last_utc | 2026-08-09T20:04:42.609792+00:00 |
| last_fix_utc | 2026-08-09T20:04:42.609792+00:00 |
| provisional | false |
| track | [{"utc":"2026-03-27T07:18:42.134112+00:00","mean_motion":1.02114118,"altitude_km":35277.903,"eccentricity":0.00111,"inclination_deg":6.9197},{"utc":"2026-04-03T19:32:23.595936+00:00","mean_motion":1.0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/43445.json