The Dexes / Satellite Decay / 57251
CelestialObjectDex · Satellite Decay
STARLINK-5513
57251 · 2026-04-03T10:57:55Z
Fixes
197
Observations
197
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T10:57:55.184544+00:00 |
|---|---|
| end_utc | 2026-08-23T19:49:18.511680+00:00 |
| family | celestialdex |
| norad_id | 57,251 |
| object_name | STARLINK-5513 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 43.004 |
| n_snaps | 197 |
| span_days | 142.369 |
| mean_motion_first | 15.268 |
| mean_motion_last | 15.275 |
| delta_mean_motion | 0.008 |
| altitude_first_km | 485.531 |
| altitude_last_km | 483.212 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.024 |
| 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 | 2026-04-03T10:57:55.184544+00:00 |
| last_utc | 2026-08-23T19:49:18.511680+00:00 |
| last_fix_utc | 2026-08-23T19:49:18.511680+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T10:57:55.184544+00:00","mean_motion":15.26751577,"altitude_km":485.531,"eccentricity":0.00014255,"inclination_deg":43.0015},{"utc":"2026-04-04T10:31:03.227520+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/57251.json