The Dexes / Satellite Decay / 45399
CelestialObjectDex · Satellite Decay
STARLINK-1255
45399 · 2026-04-02T23:56:48Z
Fixes
176
Observations
176
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-02T23:56:48.476256+00:00 |
|---|---|
| end_utc | 2026-08-09T20:40:14.985120+00:00 |
| family | celestialdex |
| norad_id | 45,399 |
| object_name | STARLINK-1255 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 53.035 |
| n_snaps | 176 |
| span_days | 128.864 |
| mean_motion_first | 15.565 |
| mean_motion_last | 15.719 |
| delta_mean_motion | 0.154 |
| altitude_first_km | 397.779 |
| altitude_last_km | 353.591 |
| decay_rate_rev_day2 | 0.001 |
| altitude_decay_km_day | -0.322 |
| 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 | 2026-04-02T23:56:48.476256+00:00 |
| last_utc | 2026-08-09T20:40:14.985120+00:00 |
| last_fix_utc | 2026-08-09T20:40:14.985120+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-02T23:56:48.476256+00:00","mean_motion":15.56505837,"altitude_km":397.779,"eccentricity":0.00016586,"inclination_deg":53.0412},{"utc":"2026-04-04T02:08:30.211584+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/45399.json