The Dexes / Satellite Decay / 58555
CelestialObjectDex · Satellite Decay
HONGHU 2
58555 · 2026-04-03T14:35:51Z
Fixes
266
Observations
266
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T14:35:51.767520+00:00 |
|---|---|
| end_utc | 2026-08-09T12:39:54.792000+00:00 |
| family | celestialdex |
| norad_id | 58,555 |
| object_name | HONGHU 2 |
| group | active |
| eccentricity_median | 0.004 |
| inclination_deg_median | 97.279 |
| n_snaps | 266 |
| span_days | 127.919 |
| mean_motion_first | 15.238 |
| mean_motion_last | 15.480 |
| delta_mean_motion | 0.242 |
| altitude_first_km | 494.276 |
| altitude_last_km | 422.494 |
| decay_rate_rev_day2 | 0.002 |
| altitude_decay_km_day | -0.700 |
| 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 | 2026-04-03T14:35:51.767520+00:00 |
| last_utc | 2026-08-09T12:39:54.792000+00:00 |
| last_fix_utc | 2026-08-09T12:39:54.792000+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T14:35:51.767520+00:00","mean_motion":15.23838464,"altitude_km":494.276,"eccentricity":0.00433479,"inclination_deg":97.2786},{"utc":"2026-04-03T20:54:03.417696+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/58555.json