The Dexes / Satellite Decay / 24674
CelestialObjectDex · Satellite Decay
INMARSAT 3-F3
24674 · 2026-04-03T06:33:36Z
Fixes
140
Observations
140
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T06:33:36.667584+00:00 |
|---|---|
| end_utc | 2026-08-09T18:57:22.702176+00:00 |
| family | celestialdex |
| norad_id | 24,674 |
| object_name | INMARSAT 3-F3 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 10.310 |
| n_snaps | 140 |
| span_days | 128.517 |
| mean_motion_first | 1.000 |
| mean_motion_last | 1.000 |
| delta_mean_motion | 0.000 |
| altitude_first_km | 35865.811 |
| altitude_last_km | 35862.877 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.045 |
| 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 | 2026-04-03T06:33:36.667584+00:00 |
| last_utc | 2026-08-09T18:57:22.702176+00:00 |
| last_fix_utc | 2026-08-09T18:57:22.702176+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T06:33:36.667584+00:00","mean_motion":0.99989873,"altitude_km":35865.811,"eccentricity":0.0005638,"inclination_deg":10.1584},{"utc":"2026-04-03T18:32:17.295360+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/24674.json