The Dexes / Satellite Decay / 53503
CelestialObjectDex · Satellite Decay
STARLINK-4461
53503 · 2026-04-03T17:09:48Z
Fixes
3
Observations
3
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T17:09:48.131424+00:00 |
|---|---|
| end_utc | 2026-04-04T06:20:55.621824+00:00 |
| family | celestialdex |
| norad_id | 53,503 |
| object_name | STARLINK-4461 |
| group | active |
| eccentricity_median | 0.001 |
| inclination_deg_median | 97.625 |
| n_snaps | 3 |
| span_days | 0.549 |
| mean_motion_first | 16.356 |
| mean_motion_last | 16.440 |
| delta_mean_motion | 0.083 |
| altitude_first_km | 177.496 |
| altitude_last_km | 155.298 |
| decay_rate_rev_day2 | 0.153 |
| altitude_decay_km_day | -40.701 |
| 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 | 2026-04-03T17:09:48.131424+00:00 |
| last_utc | 2026-04-04T06:20:55.621824+00:00 |
| last_fix_utc | 2026-04-04T06:20:55.621824+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T17:09:48.131424+00:00","mean_motion":16.35614024,"altitude_km":177.496,"eccentricity":0.0008215,"inclination_deg":97.6259},{"utc":"2026-04-03T23:01:54.504768+00:00","mean_motion":1 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/53503.json