Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2022 8 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)
 08/12/2022   07:05:46   (   0.03, -75.19) (   0.66, -78.10)  331.58                80
 08/13/2022   06:44:41   (   0.02, -75.19) (  -0.32, -73.64)  176.96                80
 08/14/2022   19:07:08   (  -0.02, -75.20) (  -0.88, -79.05)  439.08                80
 08/15/2022   18:51:23   (  -0.02, -75.21) (   0.09, -74.59)   70.32                80
 08/18/2022   06:55:15   (   0.02, -75.24) (   0.06, -75.51)   30.41                80
 08/19/2022   06:34:10   (   0.02, -75.25) (  -0.92, -71.05)  479.24                80
 08/20/2022   18:56:37   (  -0.00, -75.27) (  -0.27, -76.46)  135.91                80
 08/21/2022   18:40:53   (   0.01, -75.29) (   0.77, -72.01)  373.81                80
 08/23/2022   07:03:09   (  -0.01, -75.32) (   0.48, -77.38)  235.39                80
 08/24/2022   06:42:05   (  -0.01, -75.33) (  -0.56, -72.92)  274.83                80
 08/25/2022   19:04:31   (   0.00, -75.36) (  -0.68, -78.33)  339.06                80