The Dexes / Satellite Decay / 57289
CelestialObjectDex · Satellite Decay
HULIANWANG JISHU SHIYAN B
57289 · 2026-04-03T15:04:09Z
Fixes
300
Observations
300
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T15:04:09.744384+00:00 |
|---|---|
| end_utc | 2026-08-09T21:06:14.700384+00:00 |
| family | celestialdex |
| norad_id | 57,289 |
| object_name | HULIANWANG JISHU SHIYAN B |
| group | active |
| eccentricity_median | 0.002 |
| inclination_deg_median | 86.505 |
| n_snaps | 300 |
| span_days | 128.251 |
| mean_motion_first | 13.395 |
| mean_motion_last | 13.396 |
| delta_mean_motion | 0.000 |
| altitude_first_km | 1110.973 |
| altitude_last_km | 1110.941 |
| 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 | 2026-04-03T15:04:09.744384+00:00 |
| last_utc | 2026-08-09T21:06:14.700384+00:00 |
| last_fix_utc | 2026-08-09T21:06:14.700384+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T15:04:09.744384+00:00","mean_motion":13.39545303,"altitude_km":1110.973,"eccentricity":0.0017727,"inclination_deg":86.5061},{"utc":"2026-04-03T20:26:50.748000+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/57289.json