Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 6 6.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 06/07/2023   07:09:53   (  -0.03, -75.18) (   0.22, -76.27)  124.14                80
 06/08/2023   06:54:10   (  -0.03, -75.18) (  -0.76, -71.81)  382.93                80
 06/09/2023   19:14:01   (   0.03, -75.17) (  -0.45, -77.23)  235.21                80
 06/10/2023   18:58:18   (   0.03, -75.17) (   0.55, -72.78)  272.54                80
 06/12/2023   07:18:00   (  -0.03, -75.18) (   0.65, -78.16)  340.14                80
 06/13/2023   07:02:18   (  -0.03, -75.19) (  -0.34, -73.71)  167.96                80
 06/14/2023   19:22:08   (   0.04, -75.19) (  -0.85, -79.13)  448.97                80
 06/15/2023   19:06:26   (   0.04, -75.20) (   0.15, -74.68)   59.42                80
 06/18/2023   07:07:46   (  -0.05, -75.23) (   0.06, -75.61)   43.88                80
 06/19/2023   06:52:03   (  -0.05, -75.24) (  -0.94, -71.16)  464.91                80