The Dexes / Satellite Decay / 47857
CelestialObjectDex · Satellite Decay
YAOGAN-31 04C
47857 · 2026-04-03T14:41:08Z
Fixes
316
Observations
316
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T14:41:08.362176+00:00 |
|---|---|
| end_utc | 2026-08-09T21:30:47.404800+00:00 |
| family | celestialdex |
| norad_id | 47,857 |
| object_name | YAOGAN-31 04C |
| group | active |
| eccentricity_median | 0.017 |
| inclination_deg_median | 63.407 |
| n_snaps | 316 |
| span_days | 128.284 |
| mean_motion_first | 13.454 |
| mean_motion_last | 13.455 |
| delta_mean_motion | 0.000 |
| altitude_first_km | 1089.080 |
| altitude_last_km | 1089.040 |
| 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 | 2026-04-03T14:41:08.362176+00:00 |
| last_utc | 2026-08-09T21:30:47.404800+00:00 |
| last_fix_utc | 2026-08-09T21:30:47.404800+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T14:41:08.362176+00:00","mean_motion":13.45440932,"altitude_km":1089.08,"eccentricity":0.01683875,"inclination_deg":63.4043},{"utc":"2026-04-03T20:02:13.396992+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/47857.json