The Dexes / Satellite Decay / 31125
CelestialObjectDex · Satellite Decay
SAUDICOMSAT 3
31125 · 2026-04-03T11:27:24Z
Fixes
218
Observations
218
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T11:27:24.550272+00:00 |
|---|---|
| end_utc | 2026-08-23T04:41:29.618880+00:00 |
| family | celestialdex |
| norad_id | 31,125 |
| object_name | SAUDICOMSAT 3 |
| group | active |
| eccentricity_median | 0.004 |
| inclination_deg_median | 98.314 |
| n_snaps | 218 |
| span_days | 141.718 |
| mean_motion_first | 14.706 |
| mean_motion_last | 14.708 |
| delta_mean_motion | 0.002 |
| altitude_first_km | 659.180 |
| altitude_last_km | 658.538 |
| 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 | 2026-04-03T11:27:24.550272+00:00 |
| last_utc | 2026-08-23T04:41:29.618880+00:00 |
| last_fix_utc | 2026-08-23T04:41:29.618880+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T11:27:24.550272+00:00","mean_motion":14.70591771,"altitude_km":659.18,"eccentricity":0.00379334,"inclination_deg":98.3089},{"utc":"2026-04-03T21:15:16.654752+00:00","mean_motion":1 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/31125.json