The Dexes / Satellite Decay / 40749
CelestialObjectDex · Satellite Decay
BEIDOU-3S M1S
40749 · 2026-04-02T19:55:22Z
Fixes
116
Observations
116
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-02T19:55:22.603872+00:00 |
|---|---|
| end_utc | 2026-08-09T16:22:32.208672+00:00 |
| family | celestialdex |
| norad_id | 40,749 |
| object_name | BEIDOU-3S M1S |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 54.858 |
| n_snaps | 116 |
| span_days | 128.852 |
| mean_motion_first | 1.863 |
| mean_motion_last | 1.863 |
| delta_mean_motion | -0.000 |
| altitude_first_km | 21525.659 |
| altitude_last_km | 21525.677 |
| 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 | 2026-04-02T19:55:22.603872+00:00 |
| last_utc | 2026-08-09T16:22:32.208672+00:00 |
| last_fix_utc | 2026-08-09T16:22:32.208672+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-02T19:55:22.603872+00:00","mean_motion":1.86254951,"altitude_km":21525.659,"eccentricity":0.00046818,"inclination_deg":54.9337},{"utc":"2026-04-13T13:37:38.575776+00:00","mean_motion" |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/40749.json