The Dexes / Satellite Decay / 40970
CelestialObjectDex · Satellite Decay
SNAP-3 ALICE
40970 · 2026-04-03T14:48:37Z
Fixes
209
Observations
209
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T14:48:37.423584+00:00 |
|---|---|
| end_utc | 2026-08-09T12:41:33.228384+00:00 |
| family | celestialdex |
| norad_id | 40,970 |
| object_name | SNAP-3 ALICE |
| group | active |
| eccentricity_median | 0.003 |
| inclination_deg_median | 64.750 |
| n_snaps | 209 |
| span_days | 127.912 |
| mean_motion_first | 15.477 |
| mean_motion_last | 15.742 |
| delta_mean_motion | 0.265 |
| altitude_first_km | 423.346 |
| altitude_last_km | 346.854 |
| decay_rate_rev_day2 | 0.002 |
| altitude_decay_km_day | -0.593 |
| 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 | 2026-04-03T14:48:37.423584+00:00 |
| last_utc | 2026-08-09T12:41:33.228384+00:00 |
| last_fix_utc | 2026-08-09T12:41:33.228384+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T14:48:37.423584+00:00","mean_motion":15.47737662,"altitude_km":423.346,"eccentricity":0.00336014,"inclination_deg":64.7569},{"utc":"2026-04-03T21:00:47.659104+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/40970.json