The Dexes / Satellite Decay / 39358
CelestialObjectDex · Satellite Decay
SHIJIAN-16 (SJ-16)
39358 · 2026-04-03T15:12:31Z
Fixes
315
Observations
315
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T15:12:31.072608+00:00 |
|---|---|
| end_utc | 2026-08-09T20:37:03.532224+00:00 |
| family | celestialdex |
| norad_id | 39,358 |
| object_name | SHIJIAN-16 (SJ-16) |
| group | active |
| eccentricity_median | 0.002 |
| inclination_deg_median | 74.973 |
| n_snaps | 315 |
| span_days | 128.225 |
| mean_motion_first | 14.924 |
| mean_motion_last | 14.927 |
| delta_mean_motion | 0.003 |
| altitude_first_km | 590.333 |
| altitude_last_km | 589.453 |
| 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 | 2026-04-03T15:12:31.072608+00:00 |
| last_utc | 2026-08-09T20:37:03.532224+00:00 |
| last_fix_utc | 2026-08-09T20:37:03.532224+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T15:12:31.072608+00:00","mean_motion":14.92439066,"altitude_km":590.333,"eccentricity":0.00153172,"inclination_deg":74.9715},{"utc":"2026-04-03T20:02:06.417600+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/39358.json