The Dexes / Satellite Decay / 31127
CelestialObjectDex · Satellite Decay
SAUDICOMSAT 4
31127 · 2026-04-03T11:25:16Z
Fixes
225
Observations
225
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T11:25:16.156416+00:00 |
|---|---|
| end_utc | 2026-08-23T20:40:12.652320+00:00 |
| family | celestialdex |
| norad_id | 31,127 |
| object_name | SAUDICOMSAT 4 |
| group | active |
| eccentricity_median | 0.006 |
| inclination_deg_median | 98.398 |
| n_snaps | 225 |
| span_days | 142.385 |
| mean_motion_first | 14.644 |
| mean_motion_last | 14.646 |
| delta_mean_motion | 0.002 |
| altitude_first_km | 678.947 |
| altitude_last_km | 678.455 |
| 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 | 2026-04-03T11:25:16.156416+00:00 |
| last_utc | 2026-08-23T20:40:12.652320+00:00 |
| last_fix_utc | 2026-08-23T20:40:12.652320+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T11:25:16.156416+00:00","mean_motion":14.64417231,"altitude_km":678.947,"eccentricity":0.00644387,"inclination_deg":98.3922},{"utc":"2026-04-03T21:15:37.058112+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/31127.json