Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 5 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/30/2023   19:00:25   (   0.02, -75.19) (   0.43, -73.44)  199.41                80
 06/01/2023   07:20:07   (  -0.03, -75.20) (   0.77, -78.83)  413.83                80
 06/02/2023   07:04:25   (  -0.03, -75.20) (  -0.21, -74.37)   93.56                80
 06/04/2023   19:05:54   (   0.03, -75.19) (   0.03, -75.35)   17.56                80
 06/05/2023   18:50:11   (   0.03, -75.19) (   1.01, -70.89)  490.25                80
 06/07/2023   07:09:54   (  -0.03, -75.20) (   0.19, -76.28)  122.77                80
 06/08/2023   06:54:11   (  -0.03, -75.20) (  -0.79, -71.82)  385.09                80
 06/09/2023   19:14:01   (   0.03, -75.20) (  -0.41, -77.24)  232.09                80
 06/10/2023   18:58:19   (   0.03, -75.21) (   0.58, -72.79)  276.41                80
 06/12/2023   07:18:01   (  -0.04, -75.23) (   0.63, -78.17)  335.04                80