The Dexes / Satellite Decay / 53257
CelestialObjectDex · Satellite Decay
STARLINK-4144
53257 · 2026-04-03T10:54:30Z
Fixes
219
Observations
219
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T10:54:30.298176+00:00 |
|---|---|
| end_utc | 2026-08-24T00:00:02.000160+00:00 |
| family | celestialdex |
| norad_id | 53,257 |
| object_name | STARLINK-4144 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 53.162 |
| n_snaps | 219 |
| span_days | 142.546 |
| mean_motion_first | 15.084 |
| mean_motion_last | 15.265 |
| delta_mean_motion | 0.182 |
| altitude_first_km | 541.211 |
| altitude_last_km | 486.216 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.131 |
| 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 | 2026-04-03T10:54:30.298176+00:00 |
| last_utc | 2026-08-24T00:00:02.000160+00:00 |
| last_fix_utc | 2026-08-24T00:00:02.000160+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T10:54:30.298176+00:00","mean_motion":15.08359991,"altitude_km":541.211,"eccentricity":0.00015337,"inclination_deg":53.2174},{"utc":"2026-04-04T05:59:35.160864+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/53257.json