The Dexes / Satellite Decay / 53557
CelestialObjectDex · Satellite Decay
STARLINK-4502
53557 · 2026-04-03T15:14:44Z
Fixes
184
Observations
184
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T15:14:44.932128+00:00 |
|---|---|
| end_utc | 2026-08-09T21:01:26.092416+00:00 |
| family | celestialdex |
| norad_id | 53,557 |
| object_name | STARLINK-4502 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 53.187 |
| n_snaps | 184 |
| span_days | 128.241 |
| mean_motion_first | 15.088 |
| mean_motion_last | 15.088 |
| delta_mean_motion | 0.000 |
| altitude_first_km | 539.812 |
| altitude_last_km | 539.747 |
| decay_rate_rev_day2 | -0.000 |
| altitude_decay_km_day | 0.000 |
| 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 | 2026-04-03T15:14:44.932128+00:00 |
| last_utc | 2026-08-09T21:01:26.092416+00:00 |
| last_fix_utc | 2026-08-09T21:01:26.092416+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T15:14:44.932128+00:00","mean_motion":15.08817473,"altitude_km":539.812,"eccentricity":0.00013933,"inclination_deg":53.2169},{"utc":"2026-04-03T18:25:31.095264+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/53557.json