The Dexes / Satellite Decay / 37225
CelestialObjectDex · Satellite Decay
FASTSAT-HSV01 (USA 220)
37225 · 2026-05-18T16:02:10Z
Fixes
135
Observations
135
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-05-18T16:02:10.887648+00:00 |
|---|---|
| end_utc | 2026-08-09T19:40:46.311744+00:00 |
| family | celestialdex |
| norad_id | 37,225 |
| object_name | FASTSAT-HSV01 (USA 220) |
| group | active |
| eccentricity_median | 0.002 |
| inclination_deg_median | 71.972 |
| n_snaps | 135 |
| span_days | 83.152 |
| mean_motion_first | 14.821 |
| mean_motion_last | 14.822 |
| delta_mean_motion | 0.001 |
| altitude_first_km | 622.680 |
| altitude_last_km | 622.427 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.003 |
| 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 | 2026-05-18T16:02:10.887648+00:00 |
| last_utc | 2026-08-09T19:40:46.311744+00:00 |
| last_fix_utc | 2026-08-09T19:40:46.311744+00:00 |
| provisional | false |
| track | [{"utc":"2026-05-18T16:02:10.887648+00:00","mean_motion":14.82107333,"altitude_km":622.68,"eccentricity":0.0016864,"inclination_deg":71.9724},{"utc":"2026-05-19T04:59:43.643328+00:00","mean_motion":14 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/37225.json