The Dexes / Satellite Decay / 40105
CelestialObjectDex · Satellite Decay
NAVSTAR 71 (USA 256)
40105 · 2026-04-03T06:19:42Z
Fixes
90
Observations
90
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T06:19:42.463488+00:00 |
|---|---|
| end_utc | 2026-08-07T09:47:49.828704+00:00 |
| family | celestialdex |
| norad_id | 40,105 |
| object_name | NAVSTAR 71 (USA 256) |
| group | active |
| eccentricity_median | 0.003 |
| inclination_deg_median | 55.360 |
| n_snaps | 90 |
| span_days | 126.145 |
| mean_motion_first | 2.006 |
| mean_motion_last | 2.006 |
| delta_mean_motion | 0.000 |
| altitude_first_km | 20183.099 |
| altitude_last_km | 20182.361 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.006 |
| 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 | 2026-04-03T06:19:42.463488+00:00 |
| last_utc | 2026-08-07T09:47:49.828704+00:00 |
| last_fix_utc | 2026-08-07T09:47:49.828704+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T06:19:42.463488+00:00","mean_motion":2.00553542,"altitude_km":20183.099,"eccentricity":0.0031397,"inclination_deg":55.3033},{"utc":"2026-04-08T05:59:35.940192+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/40105.json