Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2022 12 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 12/12/2022   19:00:49   (   0.02, -75.20) (  -0.22, -76.30)  125.30                80
 12/13/2022   18:45:09   (   0.01, -75.21) (   0.76, -71.86)  381.26                80
 12/15/2022   07:07:36   (  -0.02, -75.22) (   0.45, -77.27)  233.84                80
 12/16/2022   06:46:36   (  -0.02, -75.23) (  -0.53, -72.83)  273.03                80
 12/17/2022   19:09:13   (   0.02, -75.24) (  -0.65, -78.28)  345.60                80
 12/18/2022   18:53:33   (   0.02, -75.26) (   0.33, -73.84)  161.70                80
 12/20/2022   07:15:59   (  -0.02, -75.28) (   0.87, -79.24)  452.12                80
 12/21/2022   06:55:00   (  -0.01, -75.29) (  -0.11, -74.80)   55.09                80
 12/23/2022   18:59:16   (  -0.00, -75.32) (  -0.14, -75.80)   56.16                80
 12/24/2022   18:43:37   (  -0.01, -75.33) (   0.91, -71.38)  451.36                80