The Dexes / Satellite Decay / 57889
CelestialObjectDex · Satellite Decay
YAOGAN-39 02B
57889 · 2026-04-03T16:13:42Z
Fixes
246
Observations
246
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T16:13:42.364992+00:00 |
|---|---|
| end_utc | 2026-08-09T18:49:33.077568+00:00 |
| family | celestialdex |
| norad_id | 57,889 |
| object_name | YAOGAN-39 02B |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 34.991 |
| n_snaps | 246 |
| span_days | 128.108 |
| mean_motion_first | 15.171 |
| mean_motion_last | 15.167 |
| delta_mean_motion | -0.004 |
| altitude_first_km | 514.653 |
| altitude_last_km | 515.773 |
| decay_rate_rev_day2 | -0.000 |
| altitude_decay_km_day | 0.012 |
| 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 | 2026-04-03T16:13:42.364992+00:00 |
| last_utc | 2026-08-09T18:49:33.077568+00:00 |
| last_fix_utc | 2026-08-09T18:49:33.077568+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T16:13:42.364992+00:00","mean_motion":15.17086098,"altitude_km":514.653,"eccentricity":0.00022787,"inclination_deg":34.9912},{"utc":"2026-04-03T20:57:59.731200+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/57889.json