Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2019 11 17.  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) (   0.14, -75.83)   72.54                80
 11/19/2019   06:12:08   (  -0.01, -75.20) (  -0.87, -71.26)  448.78                80
 11/20/2019   18:33:49   (   0.01, -75.21) (  -0.26, -76.50)  146.68                80
 11/21/2019   18:17:33   (   0.02, -75.22) (   0.76, -71.93)  375.32                80
 11/23/2019   06:39:05   (  -0.01, -75.23) (   0.43, -77.13)  216.94                80
 11/24/2019   06:17:29   (  -0.01, -75.24) (  -0.58, -72.55)  305.41                80
 11/25/2019   18:41:48   (  -0.00, -75.26) (  -0.59, -77.78)  288.73                80
 11/26/2019   18:20:14   (  -0.00, -75.27) (   0.48, -73.22)  234.03                80
 11/28/2019   06:44:25   (   0.01, -75.29) (   0.71, -78.42)  357.21                80
 11/29/2019   06:22:50   (   0.00, -75.30) (  -0.30, -73.84)  165.55                80
 11/30/2019   18:47:09   (  -0.01, -75.33) (  -0.86, -79.08)  427.96                80