The Dexes / Satellite Decay / 38251
CelestialObjectDex · Satellite Decay
BEIDOU-2 M4
38251 · 2026-04-02T22:43:26Z
Fixes
108
Observations
108
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-02T22:43:26.920704+00:00 |
|---|---|
| end_utc | 2026-08-08T04:56:41.094816+00:00 |
| family | celestialdex |
| norad_id | 38,251 |
| object_name | BEIDOU-2 M4 |
| group | active |
| eccentricity_median | 0.001 |
| inclination_deg_median | 55.645 |
| n_snaps | 108 |
| span_days | 127.259 |
| mean_motion_first | 1.862 |
| mean_motion_last | 1.862 |
| delta_mean_motion | 0.000 |
| altitude_first_km | 21528.205 |
| altitude_last_km | 21528.195 |
| 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 | 2026-04-02T22:43:26.920704+00:00 |
| last_utc | 2026-08-08T04:56:41.094816+00:00 |
| last_fix_utc | 2026-08-08T04:56:41.094816+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-02T22:43:26.920704+00:00","mean_motion":1.86229465,"altitude_km":21528.205,"eccentricity":0.00115088,"inclination_deg":55.7222},{"utc":"2026-04-08T20:28:51.116160+00:00","mean_motion" |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/38251.json