Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 4 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/27/2023   19:07:29   (   0.02, -75.18) (  -0.08, -75.60)   48.38                80
 04/28/2023   18:46:26   (   0.02, -75.18) (   0.91, -71.14)  459.57                80
 04/30/2023   07:11:26   (  -0.01, -75.19) (   0.26, -76.52)  151.72                80
 05/01/2023   06:50:23   (  -0.02, -75.19) (  -0.73, -72.07)  356.66                80
 05/02/2023   19:15:32   (   0.01, -75.20) (  -0.49, -77.48)  259.97                80
 05/03/2023   18:54:29   (   0.01, -75.20) (   0.50, -73.02)  248.72                80
 05/05/2023   07:19:28   (  -0.01, -75.22) (   0.72, -78.39)  361.69                80
 05/06/2023   06:58:25   (  -0.01, -75.23) (  -0.33, -73.95)  147.06                80
 05/07/2023   19:23:34   (   0.01, -75.24) (  -0.94, -79.35)  469.34                80
 05/08/2023   19:02:31   (   0.01, -75.24) (   0.12, -74.90)   39.55                80