The Dexes / Satellite Decay / 40384
CelestialObjectDex · Satellite Decay
INMARSAT 5-F2
40384 · 2026-04-02T21:09:49Z
Fixes
206
Observations
206
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-02T21:09:49.896864+00:00 |
|---|---|
| end_utc | 2026-08-09T03:21:00.049824+00:00 |
| family | celestialdex |
| norad_id | 40,384 |
| object_name | INMARSAT 5-F2 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 0.017 |
| n_snaps | 206 |
| span_days | 128.258 |
| mean_motion_first | 1.003 |
| mean_motion_last | 1.003 |
| delta_mean_motion | 0.000 |
| altitude_first_km | 35787.513 |
| altitude_last_km | 35786.690 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.008 |
| 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 | 2026-04-02T21:09:49.896864+00:00 |
| last_utc | 2026-08-09T03:21:00.049824+00:00 |
| last_fix_utc | 2026-08-09T03:21:00.049824+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-02T21:09:49.896864+00:00","mean_motion":1.0026851,"altitude_km":35787.513,"eccentricity":0.00009553,"inclination_deg":0.018},{"utc":"2026-04-04T05:40:50.308032+00:00","mean_motion":1. |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/40384.json