Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2022 12 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 12/10/2022   06:59:12   (  -0.01, -75.19) (   0.00, -75.30)   11.58                80
 12/11/2022   06:38:13   (  -0.01, -75.19) (  -0.97, -70.85)  494.57                80
 12/12/2022   19:00:49   (   0.01, -75.20) (  -0.22, -76.30)  125.12                80
 12/13/2022   18:45:10   (   0.01, -75.21) (   0.76, -71.86)  381.53                80
 12/15/2022   07:07:36   (  -0.01, -75.22) (   0.45, -77.27)  233.13                80
 12/16/2022   06:46:36   (  -0.01, -75.23) (  -0.53, -72.83)  273.81                80
 12/17/2022   19:09:13   (   0.01, -75.25) (  -0.65, -78.28)  344.90                80
 12/18/2022   18:53:33   (   0.01, -75.26) (   0.33, -73.84)  162.48                80
 12/20/2022   07:15:59   (  -0.01, -75.29) (   0.88, -79.25)  450.93                80
 12/21/2022   06:55:00   (  -0.00, -75.30) (  -0.11, -74.80)   56.35                80