The Dexes / Satellite Decay / 56401
CelestialObjectDex · Satellite Decay
STARLINK-6256
56401 · 2026-04-03T15:30:48Z
Fixes
17
Observations
17
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T15:30:48.712896+00:00 |
|---|---|
| end_utc | 2026-04-12T20:34:50.211840+00:00 |
| family | celestialdex |
| norad_id | 56,401 |
| object_name | STARLINK-6256 |
| group | active |
| eccentricity_median | 0.002 |
| inclination_deg_median | 42.983 |
| n_snaps | 17 |
| span_days | 9.211 |
| mean_motion_first | 16.054 |
| mean_motion_last | 16.411 |
| delta_mean_motion | 0.358 |
| altitude_first_km | 259.527 |
| altitude_last_km | 162.768 |
| decay_rate_rev_day2 | 0.036 |
| altitude_decay_km_day | -9.655 |
| 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 | 2026-04-03T15:30:48.712896+00:00 |
| last_utc | 2026-04-12T20:34:50.211840+00:00 |
| last_fix_utc | 2026-04-12T20:34:50.211840+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T15:30:48.712896+00:00","mean_motion":16.05387408,"altitude_km":259.527,"eccentricity":0.0015611,"inclination_deg":42.9852},{"utc":"2026-04-05T00:20:18.716064+00:00","mean_motion":1 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/56401.json