The Dexes / Satellite Decay / 53664
CelestialObjectDex · Satellite Decay
STARLINK-4471
53664 · 2026-04-03T15:31:16Z
Fixes
222
Observations
222
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T15:31:16.388544+00:00 |
|---|---|
| end_utc | 2026-08-09T20:00:01.999008+00:00 |
| family | celestialdex |
| norad_id | 53,664 |
| object_name | STARLINK-4471 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 97.399 |
| n_snaps | 222 |
| span_days | 128.187 |
| mean_motion_first | 15.056 |
| mean_motion_last | 15.248 |
| delta_mean_motion | 0.192 |
| altitude_first_km | 549.519 |
| altitude_last_km | 491.266 |
| decay_rate_rev_day2 | 0.001 |
| altitude_decay_km_day | -0.214 |
| 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 | 2026-04-03T15:31:16.388544+00:00 |
| last_utc | 2026-08-09T20:00:01.999008+00:00 |
| last_fix_utc | 2026-08-09T20:00:01.999008+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T15:31:16.388544+00:00","mean_motion":15.05647282,"altitude_km":549.519,"eccentricity":0.00024517,"inclination_deg":97.6022},{"utc":"2026-04-04T05:52:34.567392+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/53664.json