The Dexes / Satellite Decay / 54208
CelestialObjectDex · Satellite Decay
STARLINK-5255
54208 · 2026-04-03T15:14:03Z
Fixes
210
Observations
210
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T15:14:03.732288+00:00 |
|---|---|
| end_utc | 2026-08-09T15:52:33.854016+00:00 |
| family | celestialdex |
| norad_id | 54,208 |
| object_name | STARLINK-5255 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 53.170 |
| n_snaps | 210 |
| span_days | 128.027 |
| mean_motion_first | 15.088 |
| mean_motion_last | 15.317 |
| delta_mean_motion | 0.229 |
| altitude_first_km | 539.767 |
| altitude_last_km | 470.716 |
| decay_rate_rev_day2 | 0.002 |
| altitude_decay_km_day | -0.545 |
| 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 | 2026-04-03T15:14:03.732288+00:00 |
| last_utc | 2026-08-09T15:52:33.854016+00:00 |
| last_fix_utc | 2026-08-09T15:52:33.854016+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T15:14:03.732288+00:00","mean_motion":15.0883235,"altitude_km":539.767,"eccentricity":0.00012323,"inclination_deg":53.2191},{"utc":"2026-04-03T18:24:50.245344+00:00","mean_motion":1 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/54208.json