The Dexes / Satellite Decay / 64199
CelestialObjectDex · Satellite Decay
SHIJIAN-26 (SJ-26)
64199 · 2026-04-03T15:18:30Z
Fixes
220
Observations
220
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T15:18:30.812832+00:00 |
|---|---|
| end_utc | 2026-08-09T18:37:31.482048+00:00 |
| family | celestialdex |
| norad_id | 64,199 |
| object_name | SHIJIAN-26 (SJ-26) |
| group | active |
| eccentricity_median | 0.002 |
| inclination_deg_median | 97.456 |
| n_snaps | 220 |
| span_days | 128.138 |
| mean_motion_first | 15.229 |
| mean_motion_last | 15.242 |
| delta_mean_motion | 0.013 |
| altitude_first_km | 497.100 |
| altitude_last_km | 493.333 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.030 |
| 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 | 2026-04-03T15:18:30.812832+00:00 |
| last_utc | 2026-08-09T18:37:31.482048+00:00 |
| last_fix_utc | 2026-08-09T18:37:31.482048+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T15:18:30.812832+00:00","mean_motion":15.22899499,"altitude_km":497.1,"eccentricity":0.00178059,"inclination_deg":97.4578},{"utc":"2026-04-03T18:27:44.858016+00:00","mean_motion":15 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/64199.json