The Dexes / Satellite Decay / 63257
CelestialObjectDex · Satellite Decay
ICEYE-X51
63257 · 2026-04-03T15:43:51Z
Fixes
261
Observations
261
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T15:43:51.968640+00:00 |
|---|---|
| end_utc | 2026-08-09T19:02:06.381888+00:00 |
| family | celestialdex |
| norad_id | 63,257 |
| object_name | ICEYE-X51 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 97.753 |
| n_snaps | 261 |
| span_days | 128.138 |
| mean_motion_first | 15.009 |
| mean_motion_last | 15.009 |
| delta_mean_motion | -0.000 |
| altitude_first_km | 564.112 |
| altitude_last_km | 564.202 |
| decay_rate_rev_day2 | -0.000 |
| altitude_decay_km_day | 0.000 |
| 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 | 2026-04-03T15:43:51.968640+00:00 |
| last_utc | 2026-08-09T19:02:06.381888+00:00 |
| last_fix_utc | 2026-08-09T19:02:06.381888+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T15:43:51.968640+00:00","mean_motion":15.00902487,"altitude_km":564.112,"eccentricity":0.00020848,"inclination_deg":97.7399},{"utc":"2026-04-03T18:55:52.185216+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/63257.json