The Dexes / Satellite Decay / 53201
CelestialObjectDex · Satellite Decay
STARLINK-4405
53201 · 2026-04-03T14:49:24Z
Fixes
265
Observations
265
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T14:49:24.344832+00:00 |
|---|---|
| end_utc | 2026-08-09T03:52:28.994016+00:00 |
| family | celestialdex |
| norad_id | 53,201 |
| object_name | STARLINK-4405 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 97.600 |
| n_snaps | 265 |
| span_days | 127.544 |
| mean_motion_first | 15.057 |
| mean_motion_last | 15.370 |
| delta_mean_motion | 0.313 |
| altitude_first_km | 549.510 |
| altitude_last_km | 455.069 |
| decay_rate_rev_day2 | 0.004 |
| altitude_decay_km_day | -1.180 |
| 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 | 2026-04-03T14:49:24.344832+00:00 |
| last_utc | 2026-08-09T03:52:28.994016+00:00 |
| last_fix_utc | 2026-08-09T03:52:28.994016+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T14:49:24.344832+00:00","mean_motion":15.05650319,"altitude_km":549.51,"eccentricity":0.00004988,"inclination_deg":97.6016},{"utc":"2026-04-03T18:00:48.448800+00:00","mean_motion":1 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/53201.json