The Dexes / Satellite Decay / 54251
CelestialObjectDex · Satellite Decay
JILIN-1 GAOFEN 03D08
54251 · 2026-04-03T15:57:18Z
Fixes
317
Observations
317
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T15:57:18.222336+00:00 |
|---|---|
| end_utc | 2026-08-09T20:26:45.062016+00:00 |
| family | celestialdex |
| norad_id | 54,251 |
| object_name | JILIN-1 GAOFEN 03D08 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 97.619 |
| n_snaps | 317 |
| span_days | 128.187 |
| mean_motion_first | 15.575 |
| mean_motion_last | 15.707 |
| delta_mean_motion | 0.133 |
| altitude_first_km | 394.950 |
| altitude_last_km | 356.772 |
| decay_rate_rev_day2 | 0.001 |
| altitude_decay_km_day | -0.295 |
| 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 | 2026-04-03T15:57:18.222336+00:00 |
| last_utc | 2026-08-09T20:26:45.062016+00:00 |
| last_fix_utc | 2026-08-09T20:26:45.062016+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T15:57:18.222336+00:00","mean_motion":15.57481028,"altitude_km":394.95,"eccentricity":0.00039949,"inclination_deg":97.6094},{"utc":"2026-04-03T20:34:51.229632+00:00","mean_motion":1 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/54251.json