The Dexes / Satellite Decay / 55244
CelestialObjectDex · Satellite Decay
YAOGAN-37
55244 · 2026-04-03T14:32:44Z
Fixes
283
Observations
283
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T14:32:44.994912+00:00 |
|---|---|
| end_utc | 2026-08-09T20:43:31.412064+00:00 |
| family | celestialdex |
| norad_id | 55,244 |
| object_name | YAOGAN-37 |
| group | active |
| eccentricity_median | 0.002 |
| inclination_deg_median | 43.197 |
| n_snaps | 283 |
| span_days | 128.257 |
| mean_motion_first | 15.165 |
| mean_motion_last | 15.176 |
| delta_mean_motion | 0.011 |
| altitude_first_km | 516.502 |
| altitude_last_km | 513.063 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.027 |
| 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 | 2026-04-03T14:32:44.994912+00:00 |
| last_utc | 2026-08-09T20:43:31.412064+00:00 |
| last_fix_utc | 2026-08-09T20:43:31.412064+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T14:32:44.994912+00:00","mean_motion":15.1647561,"altitude_km":516.502,"eccentricity":0.00188628,"inclination_deg":43.1962},{"utc":"2026-04-04T06:21:13.389120+00:00","mean_motion":1 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/55244.json