The Dexes / Satellite Decay / 53800
CelestialObjectDex · Satellite Decay
STARLINK-4720
53800 · 2026-04-03T11:36:20Z
Fixes
192
Observations
192
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T11:36:20.727936+00:00 |
|---|---|
| end_utc | 2026-08-23T17:45:31.036320+00:00 |
| family | celestialdex |
| norad_id | 53,800 |
| object_name | STARLINK-4720 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 53.208 |
| n_snaps | 192 |
| span_days | 142.256 |
| mean_motion_first | 15.547 |
| mean_motion_last | 15.665 |
| delta_mean_motion | 0.119 |
| altitude_first_km | 403.128 |
| altitude_last_km | 368.841 |
| decay_rate_rev_day2 | 0.001 |
| altitude_decay_km_day | -0.256 |
| 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 | 2026-04-03T11:36:20.727936+00:00 |
| last_utc | 2026-08-23T17:45:31.036320+00:00 |
| last_fix_utc | 2026-08-23T17:45:31.036320+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T11:36:20.727936+00:00","mean_motion":15.546645,"altitude_km":403.128,"eccentricity":0.00007014,"inclination_deg":53.2086},{"utc":"2026-04-04T06:07:10.865568+00:00","mean_motion":15 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/53800.json