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

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 11/18/2019   06:33:44   (  -0.00, -75.20) (   0.13, -75.84)   72.59                80
 11/19/2019   06:12:09   (  -0.01, -75.20) (  -0.89, -71.26)  448.74                80
 11/20/2019   18:33:48   (   0.01, -75.21) (  -0.30, -76.49)  146.74                80
 11/21/2019   18:17:34   (   0.02, -75.22) (   0.78, -71.93)  375.28                80
 11/23/2019   06:39:05   (  -0.01, -75.23) (   0.41, -77.13)  216.97                80
 11/24/2019   06:17:29   (  -0.01, -75.24) (  -0.61, -72.56)  305.35                80
 11/25/2019   18:41:49   (  -0.00, -75.26) (  -0.57, -77.79)  288.78                80
 11/26/2019   18:20:13   (  -0.00, -75.27) (   0.45, -73.21)  233.95                80
 11/28/2019   06:44:25   (   0.01, -75.29) (   0.68, -78.43)  357.25                80
 11/29/2019   06:22:50   (   0.00, -75.30) (  -0.33, -73.85)  165.51                80