The Dexes / Satellite Decay / 53408
CelestialObjectDex · Satellite Decay
STARLINK-4491
53408 · 2026-04-03T03:44:28Z
Fixes
183
Observations
183
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T03:44:28.707648+00:00 |
|---|---|
| end_utc | 2026-08-09T01:34:16.713408+00:00 |
| family | celestialdex |
| norad_id | 53,408 |
| object_name | STARLINK-4491 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 53.212 |
| n_snaps | 183 |
| span_days | 127.910 |
| mean_motion_first | 15.088 |
| mean_motion_last | 15.088 |
| delta_mean_motion | -0.000 |
| altitude_first_km | 539.734 |
| altitude_last_km | 539.745 |
| 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 | 2026-04-03T03:44:28.707648+00:00 |
| last_utc | 2026-08-09T01:34:16.713408+00:00 |
| last_fix_utc | 2026-08-09T01:34:16.713408+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T03:44:28.707648+00:00","mean_motion":15.08842998,"altitude_km":539.734,"eccentricity":0.00014505,"inclination_deg":53.2198},{"utc":"2026-04-03T21:13:44.425344+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/53408.json