The Dexes / Satellite Decay / 41838
CelestialObjectDex · Satellite Decay
SHIJIAN-17 (SJ-17)
41838 · 2026-04-03T05:55:10Z
Fixes
179
Observations
179
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T05:55:10.354368+00:00 |
|---|---|
| end_utc | 2026-08-09T19:45:25.984224+00:00 |
| family | celestialdex |
| norad_id | 41,838 |
| object_name | SHIJIAN-17 (SJ-17) |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 5.730 |
| n_snaps | 179 |
| span_days | 128.577 |
| mean_motion_first | 0.999 |
| mean_motion_last | 0.999 |
| delta_mean_motion | 0.000 |
| altitude_first_km | 35899.631 |
| altitude_last_km | 35899.351 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.011 |
| 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 | 2026-04-03T05:55:10.354368+00:00 |
| last_utc | 2026-08-09T19:45:25.984224+00:00 |
| last_fix_utc | 2026-08-09T19:45:25.984224+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T05:55:10.354368+00:00","mean_motion":0.99869915,"altitude_km":35899.631,"eccentricity":0.0001484,"inclination_deg":5.5635},{"utc":"2026-04-03T17:53:44.650752+00:00","mean_motion":0 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/41838.json