The Dexes / Satellite Decay / 40109
CelestialObjectDex · Satellite Decay
YAOGAN-20 01A
40109 · 2026-04-03T14:09:14Z
Fixes
344
Observations
344
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T14:09:14.976288+00:00 |
|---|---|
| end_utc | 2026-08-23T22:07:50.613312+00:00 |
| family | celestialdex |
| norad_id | 40,109 |
| object_name | YAOGAN-20 01A |
| group | active |
| eccentricity_median | 0.039 |
| inclination_deg_median | 63.379 |
| n_snaps | 344 |
| span_days | 142.332 |
| mean_motion_first | 13.454 |
| mean_motion_last | 13.454 |
| delta_mean_motion | 0.000 |
| altitude_first_km | 1089.103 |
| altitude_last_km | 1089.059 |
| 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 | 2026-04-03T14:09:14.976288+00:00 |
| last_utc | 2026-08-23T22:07:50.613312+00:00 |
| last_fix_utc | 2026-08-23T22:07:50.613312+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T14:09:14.976288+00:00","mean_motion":13.45434658,"altitude_km":1089.103,"eccentricity":0.03836996,"inclination_deg":63.3796},{"utc":"2026-04-03T19:30:20.079360+00:00","mean_motion" |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/40109.json