The Dexes / Satellite Decay / 69409
CelestialObjectDex · Satellite Decay
QIANFAN-191
69409 · 2026-06-19T01:59:22Z
Fixes
82
Observations
82
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-06-19T01:59:22.858080+00:00 |
|---|---|
| end_utc | 2026-08-09T20:55:15.113280+00:00 |
| family | celestialdex |
| norad_id | 69,409 |
| object_name | QIANFAN-191 |
| group | active |
| eccentricity_median | 0.002 |
| inclination_deg_median | 88.994 |
| n_snaps | 82 |
| span_days | 51.789 |
| mean_motion_first | 14.201 |
| mean_motion_last | 13.534 |
| delta_mean_motion | -0.667 |
| altitude_first_km | 825.059 |
| altitude_last_km | 1059.734 |
| decay_rate_rev_day2 | -0.014 |
| altitude_decay_km_day | 5.064 |
| 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 | 2026-06-19T01:59:22.858080+00:00 |
| last_utc | 2026-08-09T20:55:15.113280+00:00 |
| last_fix_utc | 2026-08-09T20:55:15.113280+00:00 |
| provisional | false |
| track | [{"utc":"2026-06-19T01:59:22.858080+00:00","mean_motion":14.20086836,"altitude_km":825.059,"eccentricity":0.0014507,"inclination_deg":88.9953},{"utc":"2026-06-19T07:03:46.896192+00:00","mean_motion":1 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/69409.json