The Dexes / Satellite Decay / 38257
CelestialObjectDex · Satellite Decay
YAOGAN-14
38257 · 2026-04-03T14:40:13Z
Fixes
318
Observations
318
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T14:40:13.636416+00:00 |
|---|---|
| end_utc | 2026-08-09T20:27:18.612000+00:00 |
| family | celestialdex |
| norad_id | 38,257 |
| object_name | YAOGAN-14 |
| group | active |
| eccentricity_median | 0.001 |
| inclination_deg_median | 97.302 |
| n_snaps | 318 |
| span_days | 128.241 |
| mean_motion_first | 15.270 |
| mean_motion_last | 15.285 |
| delta_mean_motion | 0.015 |
| altitude_first_km | 484.794 |
| altitude_last_km | 480.327 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.035 |
| 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 | 2026-04-03T14:40:13.636416+00:00 |
| last_utc | 2026-08-09T20:27:18.612000+00:00 |
| last_fix_utc | 2026-08-09T20:27:18.612000+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T14:40:13.636416+00:00","mean_motion":15.26997557,"altitude_km":484.794,"eccentricity":0.00065997,"inclination_deg":97.2908},{"utc":"2026-04-03T20:57:40.840704+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/38257.json