The Dexes / Satellite Decay / 39423
CelestialObjectDex · Satellite Decay
WNISAT-1
39423 · 2026-04-03T09:46:59Z
Fixes
207
Observations
207
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T09:46:59.431584+00:00 |
|---|---|
| end_utc | 2026-08-09T09:27:54.745632+00:00 |
| family | celestialdex |
| norad_id | 39,423 |
| object_name | WNISAT-1 |
| group | active |
| eccentricity_median | 0.016 |
| inclination_deg_median | 97.718 |
| n_snaps | 207 |
| span_days | 127.987 |
| mean_motion_first | 14.580 |
| mean_motion_last | 14.582 |
| delta_mean_motion | 0.002 |
| altitude_first_km | 699.766 |
| altitude_last_km | 699.108 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.005 |
| 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 | 2026-04-03T09:46:59.431584+00:00 |
| last_utc | 2026-08-09T09:27:54.745632+00:00 |
| last_fix_utc | 2026-08-09T09:27:54.745632+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T09:46:59.431584+00:00","mean_motion":14.57960868,"altitude_km":699.766,"eccentricity":0.0164724,"inclination_deg":97.7089},{"utc":"2026-04-04T03:54:05.781888+00:00","mean_motion":1 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/39423.json