The Dexes / Satellite Decay / 57890
CelestialObjectDex · Satellite Decay
YAOGAN-39 02C
57890 · 2026-04-03T16:19:04Z
Fixes
286
Observations
286
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T16:19:04.067616+00:00 |
|---|---|
| end_utc | 2026-07-08T04:51:25.792704+00:00 |
| family | celestialdex |
| norad_id | 57,890 |
| object_name | YAOGAN-39 02C |
| group | active |
| eccentricity_median | 0.001 |
| inclination_deg_median | 34.994 |
| n_snaps | 286 |
| span_days | 95.522 |
| mean_motion_first | 15.171 |
| mean_motion_last | 15.180 |
| delta_mean_motion | 0.009 |
| altitude_first_km | 514.541 |
| altitude_last_km | 511.827 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.028 |
| 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 | 2026-04-03T16:19:04.067616+00:00 |
| last_utc | 2026-07-08T04:51:25.792704+00:00 |
| last_fix_utc | 2026-07-08T04:51:25.792704+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T16:19:04.067616+00:00","mean_motion":15.17122793,"altitude_km":514.541,"eccentricity":0.00049396,"inclination_deg":34.9944},{"utc":"2026-04-03T21:03:21.027744+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/57890.json