The Dexes / Satellite Decay / 66297
CelestialObjectDex · Satellite Decay
SEMI-1N
66297 · 2026-04-03T04:02:29Z
Fixes
151
Observations
151
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T04:02:29.669280+00:00 |
|---|---|
| end_utc | 2026-08-09T15:14:57.817824+00:00 |
| family | celestialdex |
| norad_id | 66,297 |
| object_name | SEMI-1N |
| group | active |
| eccentricity_median | 0.001 |
| inclination_deg_median | 45.405 |
| n_snaps | 151 |
| span_days | 128.467 |
| mean_motion_first | 15.222 |
| mean_motion_last | 15.215 |
| delta_mean_motion | -0.007 |
| altitude_first_km | 499.204 |
| altitude_last_km | 501.373 |
| 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 | 2026-04-03T04:02:29.669280+00:00 |
| last_utc | 2026-08-09T15:14:57.817824+00:00 |
| last_fix_utc | 2026-08-09T15:14:57.817824+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T04:02:29.669280+00:00","mean_motion":15.22200725,"altitude_km":499.204,"eccentricity":0.00109907,"inclination_deg":45.4034},{"utc":"2026-04-04T05:14:33.055296+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/66297.json