The Dexes / Satellite Decay / 55109
CelestialObjectDex · Satellite Decay
ASTROCAST-0402
55109 · 2026-04-03T05:59:26Z
Fixes
174
Observations
174
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T05:59:26.678976+00:00 |
|---|---|
| end_utc | 2026-08-09T18:29:46.473792+00:00 |
| family | celestialdex |
| norad_id | 55,109 |
| object_name | ASTROCAST-0402 |
| group | active |
| eccentricity_median | 0.001 |
| inclination_deg_median | 97.557 |
| n_snaps | 174 |
| span_days | 128.521 |
| mean_motion_first | 15.272 |
| mean_motion_last | 15.297 |
| delta_mean_motion | 0.025 |
| altitude_first_km | 484.075 |
| altitude_last_km | 476.654 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.055 |
| 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 | 2026-04-03T05:59:26.678976+00:00 |
| last_utc | 2026-08-09T18:29:46.473792+00:00 |
| last_fix_utc | 2026-08-09T18:29:46.473792+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T05:59:26.678976+00:00","mean_motion":15.27237441,"altitude_km":484.075,"eccentricity":0.0006222,"inclination_deg":97.5556},{"utc":"2026-04-03T18:34:13.678752+00:00","mean_motion":1 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/55109.json