The Dexes / Satellite Decay / 43871
CelestialObjectDex · Satellite Decay
HONGYUN 1
43871 · 2026-04-03T14:23:28Z
Fixes
299
Observations
299
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T14:23:28.793184+00:00 |
|---|---|
| end_utc | 2026-08-09T20:19:09.022944+00:00 |
| family | celestialdex |
| norad_id | 43,871 |
| object_name | HONGYUN 1 |
| group | active |
| eccentricity_median | 0.001 |
| inclination_deg_median | 99.755 |
| n_snaps | 299 |
| span_days | 128.247 |
| mean_motion_first | 13.508 |
| mean_motion_last | 13.516 |
| delta_mean_motion | 0.008 |
| altitude_first_km | 1069.290 |
| altitude_last_km | 1066.527 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.027 |
| 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 | 2026-04-03T14:23:28.793184+00:00 |
| last_utc | 2026-08-09T20:19:09.022944+00:00 |
| last_fix_utc | 2026-08-09T20:19:09.022944+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T14:23:28.793184+00:00","mean_motion":13.5080725,"altitude_km":1069.29,"eccentricity":0.00113808,"inclination_deg":99.773},{"utc":"2026-04-03T21:30:06.610176+00:00","mean_motion":13 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/43871.json