The Dexes / Satellite Decay / 40882
CelestialObjectDex · Satellite Decay
INMARSAT 5-F3
40882 · 2026-04-02T19:46:38Z
Fixes
183
Observations
183
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-02T19:46:38.649216+00:00 |
|---|---|
| end_utc | 2026-08-09T16:26:24.701568+00:00 |
| family | celestialdex |
| norad_id | 40,882 |
| object_name | INMARSAT 5-F3 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 0.018 |
| n_snaps | 183 |
| span_days | 128.861 |
| mean_motion_first | 1.003 |
| mean_motion_last | 1.003 |
| delta_mean_motion | 0.000 |
| altitude_first_km | 35787.961 |
| altitude_last_km | 35787.280 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.001 |
| 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 | 2026-04-02T19:46:38.649216+00:00 |
| last_utc | 2026-08-09T16:26:24.701568+00:00 |
| last_fix_utc | 2026-08-09T16:26:24.701568+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-02T19:46:38.649216+00:00","mean_motion":1.00266911,"altitude_km":35787.961,"eccentricity":0.00011521,"inclination_deg":0.0184},{"utc":"2026-04-04T01:39:28.459296+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/40882.json