Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2019 11 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 11/13/2019   06:25:43   (   0.01, -75.20) (  -0.16, -74.55)   74.88                80
 11/15/2019   18:28:27   (  -0.01, -75.21) (  -0.02, -75.20)    1.45                80
 11/18/2019   06:33:44   (   0.01, -75.21) (   0.13, -75.84)   71.01                80
 11/19/2019   06:12:09   (   0.01, -75.22) (  -0.89, -71.26)  450.76                80
 11/20/2019   18:33:48   (  -0.01, -75.23) (  -0.30, -76.50)  144.67                80
 11/21/2019   18:17:32   (  -0.00, -75.24) (   0.72, -71.92)  377.65                80
 11/23/2019   06:39:05   (   0.00, -75.25) (   0.41, -77.13)  213.97                80
 11/24/2019   06:17:29   (   0.01, -75.26) (  -0.61, -72.56)  308.66                80
 11/25/2019   18:39:09   (  -0.01, -75.28) (  -0.56, -77.79)  285.64                80
 11/26/2019   18:22:53   (  -0.01, -75.30) (   0.46, -73.22)  237.40                80