Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 6 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 06/12/2023   07:18:01   (  -0.02, -75.19) (   0.62, -78.17)  339.11                80
 06/13/2023   07:02:18   (  -0.02, -75.19) (  -0.37, -73.71)  168.72                80
 06/14/2023   19:22:08   (   0.03, -75.20) (  -0.88, -79.12)  448.01                80
 06/15/2023   19:06:25   (   0.03, -75.20) (   0.12, -74.67)   60.17                80
 06/18/2023   07:07:45   (  -0.03, -75.22) (   0.07, -75.60)   44.26                80
 06/19/2023   06:52:03   (  -0.03, -75.23) (  -0.93, -71.15)  464.29                80
 06/20/2023   19:11:53   (   0.04, -75.24) (  -0.25, -76.57)  151.29                80
 06/21/2023   18:56:10   (   0.03, -75.26) (   0.76, -72.12)  357.77                80
 06/23/2023   07:15:52   (  -0.04, -75.28) (   0.49, -77.50)  253.37                80
 06/24/2023   07:00:09   (  -0.04, -75.30) (  -0.52, -73.04)  256.18                80
 06/25/2023   19:19:59   (   0.04, -75.32) (  -0.70, -78.46)  358.02                80