The Dexes / Satellite Decay / 49425
CelestialObjectDex · Satellite Decay
STARLINK-3139
49425 · 2026-04-03T09:12:25Z
Fixes
194
Observations
194
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T09:12:25.687296+00:00 |
|---|---|
| end_utc | 2026-08-09T08:33:44.438112+00:00 |
| family | celestialdex |
| norad_id | 49,425 |
| object_name | STARLINK-3139 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 53.183 |
| n_snaps | 194 |
| span_days | 127.973 |
| mean_motion_first | 15.088 |
| mean_motion_last | 15.317 |
| delta_mean_motion | 0.229 |
| altitude_first_km | 539.743 |
| altitude_last_km | 470.734 |
| decay_rate_rev_day2 | 0.002 |
| altitude_decay_km_day | -0.679 |
| 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 | 2026-04-03T09:12:25.687296+00:00 |
| last_utc | 2026-08-09T08:33:44.438112+00:00 |
| last_fix_utc | 2026-08-09T08:33:44.438112+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T09:12:25.687296+00:00","mean_motion":15.0884016,"altitude_km":539.743,"eccentricity":0.0001138,"inclination_deg":53.2163},{"utc":"2026-04-04T05:52:26.954688+00:00","mean_motion":15 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/49425.json