The Dexes / Satellite Decay / 66731
CelestialObjectDex · Satellite Decay
FLOCK 4H-28
66731 · 2026-04-03T03:39:55Z
Fixes
146
Observations
146
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T03:39:55.814112+00:00 |
|---|---|
| end_utc | 2026-06-29T03:46:44.710752+00:00 |
| family | celestialdex |
| norad_id | 66,731 |
| object_name | FLOCK 4H-28 |
| group | active |
| eccentricity_median | 0.001 |
| inclination_deg_median | 97.419 |
| n_snaps | 146 |
| span_days | 87.005 |
| mean_motion_first | 15.188 |
| mean_motion_last | 15.198 |
| delta_mean_motion | 0.010 |
| altitude_first_km | 509.547 |
| altitude_last_km | 506.516 |
| 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 | 2026-04-03T03:39:55.814112+00:00 |
| last_utc | 2026-06-29T03:46:44.710752+00:00 |
| last_fix_utc | 2026-06-29T03:46:44.710752+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T03:39:55.814112+00:00","mean_motion":15.18773177,"altitude_km":509.547,"eccentricity":0.00029667,"inclination_deg":97.4215},{"utc":"2026-04-03T17:53:47.480352+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/66731.json