Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 1 2.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 01/03/2023   18:57:41   (   0.04, -75.20) (   0.02, -75.30)   10.90                80
 01/04/2023   18:42:02   (   0.03, -75.21) (   1.02, -70.86)  495.97                80
 01/06/2023   07:04:27   (  -0.03, -75.22) (   0.21, -76.26)  118.44                80
 01/07/2023   06:43:27   (  -0.02, -75.23) (  -0.80, -71.82)  388.59                80
 01/08/2023   19:06:02   (   0.02, -75.24) (  -0.46, -77.25)  229.88                80
 01/09/2023   18:50:22   (   0.02, -75.25) (   0.55, -72.81)  277.67                80
 01/11/2023   07:12:48   (  -0.02, -75.28) (   0.62, -78.22)  335.40                80
 01/12/2023   06:51:49   (  -0.02, -75.29) (  -0.39, -73.79)  172.42                80
 01/13/2023   19:14:23   (   0.03, -75.32) (  -0.85, -79.22)  444.92                80
 01/14/2023   18:58:44   (   0.02, -75.34) (   0.17, -74.79)   63.42                80