Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 10 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 10/04/2023   07:22:21   (   0.04, -75.21) (   0.50, -77.26)  233.76                 2
 10/05/2023   07:02:39   (   0.04, -75.21) (  -0.52, -72.80)  275.05                80
 10/06/2023   19:25:05   (  -0.03, -75.22) (  -0.70, -78.20)  339.57                80
 10/07/2023   19:09:21   (  -0.03, -75.22) (   0.33, -73.74)  169.78                80
 10/09/2023   07:31:38   (   0.02, -75.23) (   0.91, -79.09)  441.24                80
 10/10/2023   07:10:33   (   0.02, -75.24) (  -0.12, -74.64)   68.49                80
 10/12/2023   19:14:34   (  -0.01, -75.27) (  -0.09, -75.57)   34.26                80
 10/13/2023   18:58:50   (  -0.02, -75.29) (   0.95, -71.11)  476.34                80
 10/15/2023   07:21:07   (   0.01, -75.31) (   0.29, -76.47)  132.90                80
 10/16/2023   07:00:03   (   0.02, -75.32) (  -0.75, -72.01)  377.77                80