The Dexes / Satellite Decay / 69807
CelestialObjectDex · Satellite Decay
QIANFAN-208
69807 · 2026-07-14T21:28:16Z
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 | 2026-07-14T21:28:16.540896+00:00 |
|---|---|
| end_utc | 2026-08-09T19:15:18.313056+00:00 |
| family | celestialdex |
| norad_id | 69,807 |
| object_name | QIANFAN-208 |
| group | active |
| eccentricity_median | 0.001 |
| inclination_deg_median | 88.993 |
| n_snaps | 49 |
| span_days | 25.908 |
| mean_motion_first | 14.255 |
| mean_motion_last | 14.155 |
| delta_mean_motion | -0.100 |
| altitude_first_km | 806.941 |
| altitude_last_km | 840.620 |
| decay_rate_rev_day2 | -0.004 |
| altitude_decay_km_day | 1.430 |
| 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 | 2026-07-14T21:28:16.540896+00:00 |
| last_utc | 2026-08-09T19:15:18.313056+00:00 |
| last_fix_utc | 2026-08-09T19:15:18.313056+00:00 |
| provisional | false |
| track | [{"utc":"2026-07-14T21:28:16.540896+00:00","mean_motion":14.25461574,"altitude_km":806.941,"eccentricity":0.00080605,"inclination_deg":88.9918},{"utc":"2026-07-15T04:12:36.853920+00:00","mean_motion": |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/69807.json