The Dexes / Satellite Decay / 39208
CelestialObjectDex · Satellite Decay
SHIYAN-7 (SY-7)
39208 · 2026-04-03T14:49:27Z
Fixes
228
Observations
228
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T14:49:27.944256+00:00 |
|---|---|
| end_utc | 2026-08-09T12:35:01.987584+00:00 |
| family | celestialdex |
| norad_id | 39,208 |
| object_name | SHIYAN-7 (SY-7) |
| group | active |
| eccentricity_median | 0.001 |
| inclination_deg_median | 98.089 |
| n_snaps | 228 |
| span_days | 127.907 |
| mean_motion_first | 14.722 |
| mean_motion_last | 14.723 |
| delta_mean_motion | 0.001 |
| altitude_first_km | 654.062 |
| altitude_last_km | 653.609 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.004 |
| 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 | 2026-04-03T14:49:27.944256+00:00 |
| last_utc | 2026-08-09T12:35:01.987584+00:00 |
| last_fix_utc | 2026-08-09T12:35:01.987584+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T14:49:27.944256+00:00","mean_motion":14.7219737,"altitude_km":654.062,"eccentricity":0.00085553,"inclination_deg":98.0904},{"utc":"2026-04-04T00:36:41.740704+00:00","mean_motion":1 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/39208.json