The Dexes / Satellite Decay / 66547
CelestialObjectDex · Satellite Decay
SHIJIAN-30C (SJ-30C)
66547 · 2026-04-03T15:47:42Z
Fixes
242
Observations
242
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T15:47:42.672192+00:00 |
|---|---|
| end_utc | 2026-08-09T15:40:27.381216+00:00 |
| family | celestialdex |
| norad_id | 66,547 |
| object_name | SHIJIAN-30C (SJ-30C) |
| group | active |
| eccentricity_median | 0.001 |
| inclination_deg_median | 51.797 |
| n_snaps | 242 |
| span_days | 127.995 |
| mean_motion_first | 15.157 |
| mean_motion_last | 15.157 |
| delta_mean_motion | 0.001 |
| altitude_first_km | 518.984 |
| altitude_last_km | 518.728 |
| 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 | 2026-04-03T15:47:42.672192+00:00 |
| last_utc | 2026-08-09T15:40:27.381216+00:00 |
| last_fix_utc | 2026-08-09T15:40:27.381216+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T15:47:42.672192+00:00","mean_motion":15.15657122,"altitude_km":518.984,"eccentricity":0.0010373,"inclination_deg":51.7956},{"utc":"2026-04-04T06:02:14.433216+00:00","mean_motion":1 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/66547.json