The Dexes / Satellite Decay / 57291
CelestialObjectDex · Satellite Decay
STARLINK-30239
57291 · 2026-04-03T01:08:45Z
Fixes
179
Observations
179
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T01:08:45.069504+00:00 |
|---|---|
| end_utc | 2026-08-09T20:00:01.999008+00:00 |
| family | celestialdex |
| norad_id | 57,291 |
| object_name | STARLINK-30239 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 43.003 |
| n_snaps | 179 |
| span_days | 128.786 |
| mean_motion_first | 15.276 |
| mean_motion_last | 15.337 |
| delta_mean_motion | 0.061 |
| altitude_first_km | 483.035 |
| altitude_last_km | 464.856 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.038 |
| 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 | 2026-04-03T01:08:45.069504+00:00 |
| last_utc | 2026-08-09T20:00:01.999008+00:00 |
| last_fix_utc | 2026-08-09T20:00:01.999008+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T01:08:45.069504+00:00","mean_motion":15.27584595,"altitude_km":483.035,"eccentricity":0.00018093,"inclination_deg":43.0039},{"utc":"2026-04-04T05:23:32.899776+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/57291.json