The Dexes / Satellite Decay / 69406
CelestialObjectDex · Satellite Decay
QIANFAN-188
69406 · 2026-06-18T19:21:22Z
Fixes
72
Observations
72
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-06-18T19:21:22.040640+00:00 |
|---|---|
| end_utc | 2026-08-09T20:20:14.972064+00:00 |
| family | celestialdex |
| norad_id | 69,406 |
| object_name | QIANFAN-188 |
| group | active |
| eccentricity_median | 0.002 |
| inclination_deg_median | 88.995 |
| n_snaps | 72 |
| span_days | 52.041 |
| mean_motion_first | 14.194 |
| mean_motion_last | 13.540 |
| delta_mean_motion | -0.654 |
| altitude_first_km | 827.270 |
| altitude_last_km | 1057.639 |
| decay_rate_rev_day2 | -0.014 |
| altitude_decay_km_day | 4.795 |
| 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 | 2026-06-18T19:21:22.040640+00:00 |
| last_utc | 2026-08-09T20:20:14.972064+00:00 |
| last_fix_utc | 2026-08-09T20:20:14.972064+00:00 |
| provisional | false |
| track | [{"utc":"2026-06-18T19:21:22.040640+00:00","mean_motion":14.19433246,"altitude_km":827.27,"eccentricity":0.0015002,"inclination_deg":88.9953},{"utc":"2026-06-18T22:44:23.670816+00:00","mean_motion":14 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/69406.json