The Dexes / Satellite Decay / 66729
CelestialObjectDex · Satellite Decay
FLOCK 4H-26
66729 · 2026-04-03T03:40:57Z
Fixes
208
Observations
208
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T03:40:57.934848+00:00 |
|---|---|
| end_utc | 2026-08-09T15:16:14.979072+00:00 |
| family | celestialdex |
| norad_id | 66,729 |
| object_name | FLOCK 4H-26 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 97.419 |
| n_snaps | 208 |
| span_days | 128.483 |
| mean_motion_first | 15.187 |
| mean_motion_last | 15.202 |
| delta_mean_motion | 0.015 |
| altitude_first_km | 509.672 |
| altitude_last_km | 505.289 |
| 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 | 2026-04-03T03:40:57.934848+00:00 |
| last_utc | 2026-08-09T15:16:14.979072+00:00 |
| last_fix_utc | 2026-08-09T15:16:14.979072+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T03:40:57.934848+00:00","mean_motion":15.18731961,"altitude_km":509.672,"eccentricity":0.00034324,"inclination_deg":97.4228},{"utc":"2026-04-03T17:54:51.047424+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/66729.json