The Dexes / Satellite Decay / 53663
CelestialObjectDex · Satellite Decay
STARLINK-4457
53663 · 2026-04-03T14:47:24Z
Fixes
221
Observations
221
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T14:47:24.733536+00:00 |
|---|---|
| end_utc | 2026-08-09T20:00:01.999008+00:00 |
| family | celestialdex |
| norad_id | 53,663 |
| object_name | STARLINK-4457 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 97.392 |
| n_snaps | 221 |
| span_days | 128.217 |
| mean_motion_first | 15.057 |
| mean_motion_last | 15.215 |
| delta_mean_motion | 0.158 |
| altitude_first_km | 549.507 |
| altitude_last_km | 501.323 |
| decay_rate_rev_day2 | 0.001 |
| altitude_decay_km_day | -0.172 |
| 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 | 2026-04-03T14:47:24.733536+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":"2026-04-03T14:47:24.733536+00:00","mean_motion":15.05651456,"altitude_km":549.507,"eccentricity":0.00022208,"inclination_deg":97.6027},{"utc":"2026-04-04T05:08:43.240704+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/53663.json