The Dexes / Satellite Decay / 40972
CelestialObjectDex · Satellite Decay
SNAP-3 EDDIE
40972 · 2026-04-03T03:28:45Z
Fixes
203
Observations
203
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T03:28:45.522912+00:00 |
|---|---|
| end_utc | 2026-08-09T11:06:16.080768+00:00 |
| family | celestialdex |
| norad_id | 40,972 |
| object_name | SNAP-3 EDDIE |
| group | active |
| eccentricity_median | 0.003 |
| inclination_deg_median | 64.743 |
| n_snaps | 203 |
| span_days | 128.318 |
| mean_motion_first | 15.487 |
| mean_motion_last | 15.774 |
| delta_mean_motion | 0.287 |
| altitude_first_km | 420.506 |
| altitude_last_km | 337.687 |
| decay_rate_rev_day2 | 0.002 |
| altitude_decay_km_day | -0.615 |
| 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 | 2026-04-03T03:28:45.522912+00:00 |
| last_utc | 2026-08-09T11:06:16.080768+00:00 |
| last_fix_utc | 2026-08-09T11:06:16.080768+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T03:28:45.522912+00:00","mean_motion":15.48707446,"altitude_km":420.506,"eccentricity":0.00344437,"inclination_deg":64.7492},{"utc":"2026-04-03T18:58:35.079456+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/40972.json