The Dexes / Satellite Decay / 33320
CelestialObjectDex · Satellite Decay
HUANJING 1A (HJ-1A)
33320 · 2026-04-03T15:42:37Z
Fixes
314
Observations
314
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T15:42:37.527264+00:00 |
|---|---|
| end_utc | 2026-08-09T21:41:30.409152+00:00 |
| family | celestialdex |
| norad_id | 33,320 |
| object_name | HUANJING 1A (HJ-1A) |
| group | active |
| eccentricity_median | 0.002 |
| inclination_deg_median | 97.668 |
| n_snaps | 314 |
| span_days | 128.249 |
| mean_motion_first | 14.838 |
| mean_motion_last | 14.841 |
| delta_mean_motion | 0.003 |
| altitude_first_km | 617.322 |
| altitude_last_km | 616.408 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.007 |
| 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 | 2026-04-03T15:42:37.527264+00:00 |
| last_utc | 2026-08-09T21:41:30.409152+00:00 |
| last_fix_utc | 2026-08-09T21:41:30.409152+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T15:42:37.527264+00:00","mean_motion":14.83810414,"altitude_km":617.322,"eccentricity":0.00199106,"inclination_deg":97.6656},{"utc":"2026-04-03T20:33:56.689632+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/33320.json