The Dexes / Satellite Decay / 57626
CelestialObjectDex · Satellite Decay
HEAD-3A
57626 · 2026-04-03T15:50:36Z
Fixes
293
Observations
293
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T15:50:36.131424+00:00 |
|---|---|
| end_utc | 2026-08-09T19:57:06.951744+00:00 |
| family | celestialdex |
| norad_id | 57,626 |
| object_name | HEAD-3A |
| group | active |
| eccentricity_median | 0.001 |
| inclination_deg_median | 45.002 |
| n_snaps | 293 |
| span_days | 128.171 |
| mean_motion_first | 14.606 |
| mean_motion_last | 14.607 |
| delta_mean_motion | 0.002 |
| altitude_first_km | 691.349 |
| altitude_last_km | 690.754 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.005 |
| 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 | 2026-04-03T15:50:36.131424+00:00 |
| last_utc | 2026-08-09T19:57:06.951744+00:00 |
| last_fix_utc | 2026-08-09T19:57:06.951744+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T15:50:36.131424+00:00","mean_motion":14.60565353,"altitude_km":691.349,"eccentricity":0.00069973,"inclination_deg":45.0026},{"utc":"2026-04-03T20:46:05.089152+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/57626.json