Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 6 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 06/10/2023   18:58:18   (   0.02, -75.19) (   0.55, -72.78)  274.13                80
 06/12/2023   07:18:01   (  -0.03, -75.20) (   0.64, -78.16)  338.43                80
 06/13/2023   07:02:18   (  -0.03, -75.20) (  -0.35, -73.71)  169.91                80
 06/14/2023   19:22:08   (   0.04, -75.22) (  -0.84, -79.13)  446.25                80
 06/15/2023   19:06:26   (   0.04, -75.23) (   0.16, -74.68)   62.37                80
 06/18/2023   07:07:46   (  -0.04, -75.26) (   0.04, -75.61)   40.48                80
 06/19/2023   06:52:03   (  -0.04, -75.27) (  -0.96, -71.16)  468.51                80
 06/20/2023   19:11:53   (   0.05, -75.29) (  -0.27, -76.57)  146.55                80
 06/21/2023   18:56:11   (   0.05, -75.31) (   0.79, -72.13)  363.06                80
 06/23/2023   07:15:52   (  -0.05, -75.34) (   0.46, -77.50)  247.13                80