The Dexes / Satellite Decay / 43651
CelestialObjectDex · Satellite Decay
AEHF-4 (USA 288)
43651 · 2026-04-03T10:47:29Z
Fixes
279
Observations
279
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T10:47:29.063616+00:00 |
|---|---|
| end_utc | 2026-08-23T21:24:53.864640+00:00 |
| family | celestialdex |
| norad_id | 43,651 |
| object_name | AEHF-4 (USA 288) |
| group | active |
| eccentricity_median | 0.006 |
| inclination_deg_median | 1.427 |
| n_snaps | 279 |
| span_days | 142.443 |
| mean_motion_first | 1.003 |
| mean_motion_last | 1.003 |
| delta_mean_motion | 0.000 |
| altitude_first_km | 35785.583 |
| altitude_last_km | 35785.567 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.006 |
| 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 | 2026-04-03T10:47:29.063616+00:00 |
| last_utc | 2026-08-23T21:24:53.864640+00:00 |
| last_fix_utc | 2026-08-23T21:24:53.864640+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T10:47:29.063616+00:00","mean_motion":1.00275395,"altitude_km":35785.583,"eccentricity":0.00638503,"inclination_deg":1.4225},{"utc":"2026-04-04T05:37:05.667168+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/43651.json