The Dexes / Satellite Decay / 31121
CelestialObjectDex · Satellite Decay
SAUDICOMSAT 6
31121 · 2026-04-03T10:45:40Z
Fixes
214
Observations
214
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T10:45:40.591008+00:00 |
|---|---|
| end_utc | 2026-08-23T18:00:34.064064+00:00 |
| family | celestialdex |
| norad_id | 31,121 |
| object_name | SAUDICOMSAT 6 |
| group | active |
| eccentricity_median | 0.007 |
| inclination_deg_median | 98.409 |
| n_snaps | 214 |
| span_days | 142.302 |
| mean_motion_first | 14.625 |
| mean_motion_last | 14.626 |
| delta_mean_motion | 0.001 |
| altitude_first_km | 685.211 |
| altitude_last_km | 684.755 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.003 |
| 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 | 2026-04-03T10:45:40.591008+00:00 |
| last_utc | 2026-08-23T18:00:34.064064+00:00 |
| last_fix_utc | 2026-08-23T18:00:34.064064+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T10:45:40.591008+00:00","mean_motion":14.62469495,"altitude_km":685.211,"eccentricity":0.00713886,"inclination_deg":98.4032},{"utc":"2026-04-03T20:36:48.728448+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/31121.json