The Dexes / Satellite Decay / 69809
CelestialObjectDex · Satellite Decay
QIANFAN-210
69809 · 2026-07-14T16:23:29Z
Fixes
49
Sensor hits
0
Observations
49
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-07-14T16:23:29.218848+00:00 |
|---|---|
| end_utc | 2026-08-09T20:27:11.106432+00:00 |
| family | celestialdex |
| norad_id | 69,809 |
| object_name | QIANFAN-210 |
| group | active |
| eccentricity_median | 0.001 |
| inclination_deg_median | 88.993 |
| n_snaps | 49 |
| span_days | 26.169 |
| mean_motion_first | 14.201 |
| mean_motion_last | 14.115 |
| delta_mean_motion | -0.086 |
| altitude_first_km | 824.924 |
| altitude_last_km | 854.310 |
| decay_rate_rev_day2 | -0.005 |
| altitude_decay_km_day | 1.669 |
| 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 | 2026-07-14T16:23:29.218848+00:00 |
| last_utc | 2026-08-09T20:27:11.106432+00:00 |
| last_fix_utc | 2026-08-09T20:27:11.106432+00:00 |
| provisional | false |
| track | [{"utc":"2026-07-14T16:23:29.218848+00:00","mean_motion":14.20126784,"altitude_km":824.924,"eccentricity":0.00103892,"inclination_deg":88.9915},{"utc":"2026-07-15T09:11:49.117632+00:00","mean_motion": |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/69809.json