The Dexes / Satellite Decay / 39455
CelestialObjectDex · Satellite Decay
SHIYAN-5 (SY-5)
39455 · 2026-04-03T15:16:32Z
Fixes
303
Observations
303
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T15:16:32.644416+00:00 |
|---|---|
| end_utc | 2026-08-09T20:33:59.844960+00:00 |
| family | celestialdex |
| norad_id | 39,455 |
| object_name | SHIYAN-5 (SY-5) |
| group | active |
| eccentricity_median | 0.001 |
| inclination_deg_median | 98.074 |
| n_snaps | 303 |
| span_days | 128.220 |
| mean_motion_first | 14.436 |
| mean_motion_last | 14.437 |
| delta_mean_motion | 0.001 |
| altitude_first_km | 746.488 |
| altitude_last_km | 746.293 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.002 |
| 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 | 2026-04-03T15:16:32.644416+00:00 |
| last_utc | 2026-08-09T20:33:59.844960+00:00 |
| last_fix_utc | 2026-08-09T20:33:59.844960+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T15:16:32.644416+00:00","mean_motion":14.43642801,"altitude_km":746.488,"eccentricity":0.0014248,"inclination_deg":98.0838},{"utc":"2026-04-04T06:14:48.037344+00:00","mean_motion":1 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/39455.json