The Dexes / Satellite Decay / 66694
CelestialObjectDex · Satellite Decay
YAM-9
66694 · 2026-04-03T03:23:59Z
Fixes
224
Observations
224
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T03:23:59.280576+00:00 |
|---|---|
| end_utc | 2026-08-09T18:05:09.497760+00:00 |
| family | celestialdex |
| norad_id | 66,694 |
| object_name | YAM-9 |
| group | active |
| eccentricity_median | 0.001 |
| inclination_deg_median | 97.422 |
| n_snaps | 224 |
| span_days | 128.612 |
| mean_motion_first | 15.142 |
| mean_motion_last | 15.154 |
| delta_mean_motion | 0.013 |
| altitude_first_km | 523.457 |
| altitude_last_km | 519.633 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.029 |
| 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 | 2026-04-03T03:23:59.280576+00:00 |
| last_utc | 2026-08-09T18:05:09.497760+00:00 |
| last_fix_utc | 2026-08-09T18:05:09.497760+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T03:23:59.280576+00:00","mean_motion":15.14183891,"altitude_km":523.457,"eccentricity":0.00084741,"inclination_deg":97.4255},{"utc":"2026-04-03T17:40:26.209344+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/66694.json