The Dexes / Satellite Decay / 53402
CelestialObjectDex · Satellite Decay
STARLINK-4499
53402 · 2026-04-03T00:58:52Z
Fixes
206
Observations
206
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T00:58:52.559904+00:00 |
|---|---|
| end_utc | 2026-08-09T19:49:23.611872+00:00 |
| family | celestialdex |
| norad_id | 53,402 |
| object_name | STARLINK-4499 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 53.164 |
| n_snaps | 206 |
| span_days | 128.785 |
| mean_motion_first | 15.089 |
| mean_motion_last | 15.354 |
| delta_mean_motion | 0.266 |
| altitude_first_km | 539.708 |
| altitude_last_km | 459.719 |
| decay_rate_rev_day2 | 0.002 |
| altitude_decay_km_day | -0.465 |
| 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 | 2026-04-03T00:58:52.559904+00:00 |
| last_utc | 2026-08-09T19:49:23.611872+00:00 |
| last_fix_utc | 2026-08-09T19:49:23.611872+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T00:58:52.559904+00:00","mean_motion":15.08851543,"altitude_km":539.708,"eccentricity":0.00012674,"inclination_deg":53.2186},{"utc":"2026-04-04T04:00:26.691840+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/53402.json