The Dexes / Satellite Decay / 53777
CelestialObjectDex · Satellite Decay
STARLINK-4664
53777 · 2026-04-03T14:15:06Z
Fixes
206
Observations
206
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T14:15:06.343488+00:00 |
|---|---|
| end_utc | 2026-08-23T22:00:01.999584+00:00 |
| family | celestialdex |
| norad_id | 53,777 |
| object_name | STARLINK-4664 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 53.166 |
| n_snaps | 206 |
| span_days | 142.323 |
| mean_motion_first | 15.089 |
| mean_motion_last | 15.125 |
| delta_mean_motion | 0.037 |
| altitude_first_km | 539.707 |
| altitude_last_km | 528.510 |
| 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 | 2026-04-03T14:15:06.343488+00:00 |
| last_utc | 2026-08-23T22:00:01.999584+00:00 |
| last_fix_utc | 2026-08-23T22:00:01.999584+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T14:15:06.343488+00:00","mean_motion":15.08851953,"altitude_km":539.707,"eccentricity":0.00012727,"inclination_deg":53.2158},{"utc":"2026-04-04T04:33:35.346816+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/53777.json