The Dexes / Satellite Decay / 57197
CelestialObjectDex · Satellite Decay
A-SEANSAT-PG1
57197 · 2026-04-03T14:20:47Z
Fixes
305
Observations
305
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T14:20:47.740128+00:00 |
|---|---|
| end_utc | 2026-08-09T19:44:42.475776+00:00 |
| family | celestialdex |
| norad_id | 57,197 |
| object_name | A-SEANSAT-PG1 |
| group | active |
| eccentricity_median | 0.001 |
| inclination_deg_median | 97.509 |
| n_snaps | 305 |
| span_days | 128.225 |
| mean_motion_first | 15.345 |
| mean_motion_last | 15.387 |
| delta_mean_motion | 0.042 |
| altitude_first_km | 462.531 |
| altitude_last_km | 449.992 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.099 |
| 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 | 2026-04-03T14:20:47.740128+00:00 |
| last_utc | 2026-08-09T19:44:42.475776+00:00 |
| last_fix_utc | 2026-08-09T19:44:42.475776+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T14:20:47.740128+00:00","mean_motion":15.34458047,"altitude_km":462.531,"eccentricity":0.00068718,"inclination_deg":97.5139},{"utc":"2026-04-03T20:36:24.716160+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/57197.json