Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 9 23.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 09/24/2020   06:43:00   (  -0.02, -75.19) (   0.48, -77.40)  252.07                80
 09/25/2020   06:21:24   (  -0.03, -75.19) (  -0.54, -72.82)  269.80                80
 09/26/2020   18:43:03   (   0.03, -75.20) (  -0.58, -78.06)  325.39                80
 09/27/2020   18:26:46   (   0.03, -75.20) (   0.44, -73.48)  197.12                80
 09/29/2020   06:48:16   (  -0.04, -75.21) (   0.72, -78.66)  393.85                80
 09/30/2020   06:26:39   (  -0.04, -75.21) (  -0.30, -74.08)  129.13                80
 10/01/2020   18:48:17   (   0.04, -75.23) (  -0.88, -79.31)  464.52                80
 10/02/2020   18:32:01   (   0.04, -75.24) (   0.14, -74.72)   58.98                80
 10/05/2020   06:34:34   (  -0.04, -75.28) (  -0.00, -75.33)    7.43                80