The Dexes / Satellite Decay / 52448
CelestialObjectDex · Satellite Decay
JILIN-1 GAOFEN 3D31
52448 · 2026-04-03T14:16:40Z
Fixes
284
Observations
284
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T14:16:40.094400+00:00 |
|---|---|
| end_utc | 2026-08-06T23:31:16.384800+00:00 |
| family | celestialdex |
| norad_id | 52,448 |
| object_name | JILIN-1 GAOFEN 3D31 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 97.567 |
| n_snaps | 284 |
| span_days | 125.385 |
| mean_motion_first | 15.653 |
| mean_motion_last | 16.410 |
| delta_mean_motion | 0.756 |
| altitude_first_km | 372.254 |
| altitude_last_km | 163.166 |
| decay_rate_rev_day2 | 0.003 |
| altitude_decay_km_day | -0.983 |
| 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 | 2026-04-03T14:16:40.094400+00:00 |
| last_utc | 2026-08-06T23:31:16.384800+00:00 |
| last_fix_utc | 2026-08-06T23:31:16.384800+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T14:16:40.094400+00:00","mean_motion":15.65342413,"altitude_km":372.254,"eccentricity":0.00008918,"inclination_deg":97.5626},{"utc":"2026-04-03T20:24:52.359264+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/52448.json