Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 6 17.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 06/18/2023   07:07:45   (  -0.03, -75.21) (   0.08, -75.60)   45.44                80
 06/19/2023   06:52:03   (  -0.03, -75.21) (  -0.92, -71.15)  462.76                80
 06/20/2023   19:11:53   (   0.03, -75.23) (  -0.25, -76.57)  152.92                80
 06/21/2023   18:56:10   (   0.03, -75.24) (   0.75, -72.12)  355.81                80
 06/23/2023   07:15:52   (  -0.03, -75.25) (   0.50, -77.49)  256.16                80
 06/24/2023   07:00:09   (  -0.03, -75.26) (  -0.50, -73.04)  253.07                80
 06/25/2023   19:20:00   (   0.03, -75.29) (  -0.66, -78.46)  361.20                80
 06/26/2023   19:04:17   (   0.03, -75.31) (   0.35, -74.01)  148.42                80
 06/28/2023   07:23:58   (  -0.04, -75.34) (   0.90, -79.39)  462.54                80
 06/29/2023   07:08:16   (  -0.04, -75.35) (  -0.11, -74.94)   47.20                80