The Dexes / Satellite Decay / 58758
CelestialObjectDex · Satellite Decay
YUNYAO-1 18
58758 · 2026-04-03T14:42:38Z
Fixes
281
Observations
281
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T14:42:38.949120+00:00 |
|---|---|
| end_utc | 2026-08-09T19:18:46.981152+00:00 |
| family | celestialdex |
| norad_id | 58,758 |
| object_name | YUNYAO-1 18 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 49.998 |
| n_snaps | 281 |
| span_days | 128.192 |
| mean_motion_first | 15.217 |
| mean_motion_last | 15.246 |
| delta_mean_motion | 0.029 |
| altitude_first_km | 500.706 |
| altitude_last_km | 491.901 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.071 |
| 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 | 2026-04-03T14:42:38.949120+00:00 |
| last_utc | 2026-08-09T19:18:46.981152+00:00 |
| last_fix_utc | 2026-08-09T19:18:46.981152+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T14:42:38.949120+00:00","mean_motion":15.21702026,"altitude_km":500.706,"eccentricity":0.00052277,"inclination_deg":49.9937},{"utc":"2026-04-03T16:17:12.582240+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/58758.json