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   06:43:01   (  -0.02, -75.19) (   0.45, -77.41)  252.14                80
 09/25/2020   06:21:24   (  -0.03, -75.19) (  -0.57, -72.83)  269.79                80
 09/26/2020   18:43:02   (   0.03, -75.20) (  -0.61, -78.05)  325.23                80
 09/27/2020   18:26:46   (   0.03, -75.20) (   0.42, -73.47)  197.30                80
 09/29/2020   06:48:15   (  -0.04, -75.21) (   0.75, -78.66)  393.70                80
 09/30/2020   06:26:39   (  -0.04, -75.22) (  -0.28, -74.08)  129.34                80
 10/01/2020   18:48:18   (   0.04, -75.24) (  -0.85, -79.31)  464.16                80
 10/02/2020   18:32:02   (   0.04, -75.25) (   0.17, -74.73)   59.43                80
 10/05/2020   06:34:34   (  -0.04, -75.28) (  -0.04, -75.34)    6.61                80