The Dexes / Satellite Decay / 39239
CelestialObjectDex · Satellite Decay
YAOGAN-17 01A
39239 · 2026-04-03T14:38:26Z
Fixes
307
Observations
307
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T14:38:26.529792+00:00 |
|---|---|
| end_utc | 2026-08-09T19:33:00.421344+00:00 |
| family | celestialdex |
| norad_id | 39,239 |
| object_name | YAOGAN-17 01A |
| group | active |
| eccentricity_median | 0.043 |
| inclination_deg_median | 63.386 |
| n_snaps | 307 |
| span_days | 128.205 |
| mean_motion_first | 13.455 |
| mean_motion_last | 13.455 |
| delta_mean_motion | 0.000 |
| altitude_first_km | 1088.867 |
| altitude_last_km | 1088.821 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.000 |
| 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 | 2026-04-03T14:38:26.529792+00:00 |
| last_utc | 2026-08-09T19:33:00.421344+00:00 |
| last_fix_utc | 2026-08-09T19:33:00.421344+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T14:38:26.529792+00:00","mean_motion":13.45498369,"altitude_km":1088.867,"eccentricity":0.04196325,"inclination_deg":63.3855},{"utc":"2026-04-04T06:41:39.175296+00:00","mean_motion" |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/39239.json