The Dexes / Satellite Decay / 59557
CelestialObjectDex · Satellite Decay
YAOGAN-42 02
59557 · 2026-03-31T22:54:24Z
Fixes
221
Sensor hits
0
Observations
221
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-03-31T22:54:24.340032+00:00 |
|---|---|
| end_utc | 2026-08-09T15:55:18.814080+00:00 |
| family | celestialdex |
| norad_id | 59,557 |
| object_name | YAOGAN-42 02 |
| group | active |
| eccentricity_median | 0.001 |
| inclination_deg_median | 35.001 |
| n_snaps | 221 |
| span_days | 130.709 |
| mean_motion_first | 15.232 |
| mean_motion_last | 15.230 |
| delta_mean_motion | -0.002 |
| altitude_first_km | 496.248 |
| altitude_last_km | 496.816 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.001 |
| 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 | 2026-03-31T22:54:24.340032+00:00 |
| last_utc | 2026-08-09T15:55:18.814080+00:00 |
| last_fix_utc | 2026-08-09T15:55:18.814080+00:00 |
| provisional | false |
| track | [{"utc":"2026-03-31T22:54:24.340032+00:00","mean_motion":15.23182575,"altitude_km":496.248,"eccentricity":0.00057418,"inclination_deg":35.0015},{"utc":"2026-04-03T21:41:51.527040+00:00","mean_motion": |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/59557.json