The Dexes / Satellite Decay / 66687
CelestialObjectDex · Satellite Decay
LEO EXPRESS 3
66687 · 2026-04-03T11:23:12Z
Fixes
232
Observations
232
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T11:23:12.003936+00:00 |
|---|---|
| end_utc | 2026-08-23T10:45:55.315296+00:00 |
| family | celestialdex |
| norad_id | 66,687 |
| object_name | LEO EXPRESS 3 |
| group | active |
| eccentricity_median | 0.001 |
| inclination_deg_median | 97.426 |
| n_snaps | 232 |
| span_days | 141.974 |
| mean_motion_first | 15.196 |
| mean_motion_last | 15.222 |
| delta_mean_motion | 0.026 |
| altitude_first_km | 507.057 |
| altitude_last_km | 499.149 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.059 |
| 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 | 2026-04-03T11:23:12.003936+00:00 |
| last_utc | 2026-08-23T10:45:55.315296+00:00 |
| last_fix_utc | 2026-08-23T10:45:55.315296+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T11:23:12.003936+00:00","mean_motion":15.19597359,"altitude_km":507.057,"eccentricity":0.00078075,"inclination_deg":97.4283},{"utc":"2026-04-04T04:46:14.142720+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/66687.json