The Dexes / Satellite Decay / 40975
CelestialObjectDex · Satellite Decay
SNAP-3 JIMI
40975 · 2026-04-03T09:53:17Z
Fixes
187
Observations
187
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T09:53:17.922336+00:00 |
|---|---|
| end_utc | 2026-08-09T19:59:28.284000+00:00 |
| family | celestialdex |
| norad_id | 40,975 |
| object_name | SNAP-3 JIMI |
| group | active |
| eccentricity_median | 0.011 |
| inclination_deg_median | 64.765 |
| n_snaps | 187 |
| span_days | 128.421 |
| mean_motion_first | 15.014 |
| mean_motion_last | 15.029 |
| delta_mean_motion | 0.015 |
| altitude_first_km | 562.437 |
| altitude_last_km | 557.945 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.034 |
| 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 | 2026-04-03T09:53:17.922336+00:00 |
| last_utc | 2026-08-09T19:59:28.284000+00:00 |
| last_fix_utc | 2026-08-09T19:59:28.284000+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T09:53:17.922336+00:00","mean_motion":15.01445733,"altitude_km":562.437,"eccentricity":0.01047578,"inclination_deg":64.7636},{"utc":"2026-04-04T06:40:10.115040+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/40975.json