The Dexes / Satellite Decay / 47731
CelestialObjectDex · Satellite Decay
STARLINK-2141
47731 · 2026-04-03T09:00:04Z
Fixes
194
Observations
194
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T09:00:04.713120+00:00 |
|---|---|
| end_utc | 2026-07-23T12:54:16.130016+00:00 |
| family | celestialdex |
| norad_id | 47,731 |
| object_name | STARLINK-2141 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 53.153 |
| n_snaps | 194 |
| span_days | 111.163 |
| mean_motion_first | 15.526 |
| mean_motion_last | 16.408 |
| delta_mean_motion | 0.882 |
| altitude_first_km | 409.148 |
| altitude_last_km | 163.767 |
| decay_rate_rev_day2 | 0.006 |
| altitude_decay_km_day | -1.763 |
| 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 | 2026-04-03T09:00:04.713120+00:00 |
| last_utc | 2026-07-23T12:54:16.130016+00:00 |
| last_fix_utc | 2026-07-23T12:54:16.130016+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T09:00:04.713120+00:00","mean_motion":15.52596635,"altitude_km":409.148,"eccentricity":0.00040828,"inclination_deg":53.1589},{"utc":"2026-04-03T16:43:32.529792+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/47731.json