The Dexes / Satellite Decay / 20929
CelestialObjectDex · Satellite Decay
USA 65 (DSP 15)
20929 · 2026-04-02T15:02:31Z
Fixes
46
Observations
46
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-02T15:02:31.797888+00:00 |
|---|---|
| end_utc | 2026-05-17T20:35:11.105088+00:00 |
| family | celestialdex |
| norad_id | 20,929 |
| object_name | USA 65 (DSP 15) |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 14.037 |
| n_snaps | 46 |
| span_days | 45.231 |
| mean_motion_first | 0.984 |
| mean_motion_last | 0.984 |
| delta_mean_motion | 0.000 |
| altitude_first_km | 36320.670 |
| altitude_last_km | 36319.975 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.011 |
| 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 | 2026-04-02T15:02:31.797888+00:00 |
| last_utc | 2026-05-17T20:35:11.105088+00:00 |
| last_fix_utc | 2026-05-17T20:35:11.105088+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-02T15:02:31.797888+00:00","mean_motion":0.98396386,"altitude_km":36320.67,"eccentricity":0.00043155,"inclination_deg":14.0504},{"utc":"2026-04-03T16:39:37.692000+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/20929.json