The Dexes / Satellite Decay / 62485
CelestialObjectDex · Satellite Decay
SHIJIAN-25 (SJ-25)
62485 · 2026-04-03T17:02:31Z
Fixes
120
Observations
120
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T17:02:31.351776+00:00 |
|---|---|
| end_utc | 2026-08-09T17:05:47.095296+00:00 |
| family | celestialdex |
| norad_id | 62,485 |
| object_name | SHIJIAN-25 (SJ-25) |
| group | active |
| eccentricity_median | 0.005 |
| inclination_deg_median | 5.106 |
| n_snaps | 120 |
| span_days | 128.002 |
| mean_motion_first | 1.003 |
| mean_motion_last | 1.003 |
| delta_mean_motion | -0.000 |
| altitude_first_km | 35784.098 |
| altitude_last_km | 35785.235 |
| decay_rate_rev_day2 | -0.000 |
| altitude_decay_km_day | 0.006 |
| 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 | 2026-04-03T17:02:31.351776+00:00 |
| last_utc | 2026-08-09T17:05:47.095296+00:00 |
| last_fix_utc | 2026-08-09T17:05:47.095296+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T17:02:31.351776+00:00","mean_motion":1.00280691,"altitude_km":35784.098,"eccentricity":0.0050386,"inclination_deg":4.9379},{"utc":"2026-04-05T17:58:14.378592+00:00","mean_motion":1 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/62485.json