Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 6 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 06/14/2023   19:22:08   (   0.03, -75.19) (  -0.85, -79.13)  448.14                80
 06/15/2023   19:06:26   (   0.03, -75.20) (   0.14, -74.67)   59.80                80
 06/18/2023   07:07:46   (  -0.03, -75.21) (   0.05, -75.61)   45.07                80
 06/19/2023   06:52:03   (  -0.03, -75.22) (  -0.95, -71.16)  463.28                80
 06/20/2023   19:11:52   (   0.03, -75.23) (  -0.29, -76.56)  152.32                80
 06/21/2023   18:56:10   (   0.03, -75.24) (   0.72, -72.11)  356.59                80
 06/23/2023   07:15:52   (  -0.04, -75.26) (   0.48, -77.50)  254.97                80
 06/24/2023   07:00:10   (  -0.03, -75.28) (  -0.53, -73.05)  254.39                80
 06/25/2023   19:19:59   (   0.04, -75.31) (  -0.69, -78.46)  359.82                80
 06/26/2023   19:04:17   (   0.04, -75.33) (   0.32, -74.01)  149.97                80