The Dexes / Satellite Decay / 47831
CelestialObjectDex · Satellite Decay
STARLINK-2420
47831 · 2026-04-03T08:26:44Z
Fixes
223
Observations
223
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T08:26:44.256768+00:00 |
|---|---|
| end_utc | 2026-08-09T19:08:58.773408+00:00 |
| family | celestialdex |
| norad_id | 47,831 |
| object_name | STARLINK-2420 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 53.159 |
| n_snaps | 223 |
| span_days | 128.446 |
| mean_motion_first | 15.064 |
| mean_motion_last | 15.317 |
| delta_mean_motion | 0.253 |
| altitude_first_km | 547.207 |
| altitude_last_km | 470.742 |
| decay_rate_rev_day2 | 0.001 |
| altitude_decay_km_day | -0.362 |
| 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 | 2026-04-03T08:26:44.256768+00:00 |
| last_utc | 2026-08-09T19:08:58.773408+00:00 |
| last_fix_utc | 2026-08-09T19:08:58.773408+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T08:26:44.256768+00:00","mean_motion":15.06401607,"altitude_km":547.207,"eccentricity":0.00012662,"inclination_deg":53.054},{"utc":"2026-04-04T06:44:16.551168+00:00","mean_motion":1 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/47831.json