The Dexes / Satellite Decay / 55571
CelestialObjectDex · Satellite Decay
STARLINK-5739
55571 · 2026-04-03T15:28:59Z
Fixes
169
Observations
169
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T15:28:59.911968+00:00 |
|---|---|
| end_utc | 2026-08-09T07:21:04.388256+00:00 |
| family | celestialdex |
| norad_id | 55,571 |
| object_name | STARLINK-5739 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 43.002 |
| n_snaps | 169 |
| span_days | 127.661 |
| mean_motion_first | 15.259 |
| mean_motion_last | 15.276 |
| delta_mean_motion | 0.017 |
| altitude_first_km | 488.090 |
| altitude_last_km | 483.052 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.036 |
| 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 | 2026-04-03T15:28:59.911968+00:00 |
| last_utc | 2026-08-09T07:21:04.388256+00:00 |
| last_fix_utc | 2026-08-09T07:21:04.388256+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T15:28:59.911968+00:00","mean_motion":15.25898097,"altitude_km":488.09,"eccentricity":0.00010384,"inclination_deg":42.9999},{"utc":"2026-04-03T18:37:30.406368+00:00","mean_motion":1 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/55571.json