Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2019 8 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 08/20/2019   06:37:17   (  -0.04, -75.21) (   0.27, -76.67)  165.79                80
 08/21/2019   06:15:42   (  -0.04, -75.23) (  -0.73, -72.09)  357.62                80
 08/22/2019   18:37:22   (   0.04, -75.28) (  -0.43, -77.33)  234.47                80
 08/23/2019   18:21:08   (   0.04, -75.30) (   0.63, -72.77)  289.13                80
 08/25/2019   06:42:40   (  -0.05, -75.32) (   0.53, -77.98)  302.12                80
 08/26/2019   06:21:04   (  -0.05, -75.35) (  -0.46, -73.40)  221.41                80
 08/27/2019   18:42:46   (   0.06, -75.40) (  -0.64, -78.66)  370.72                80
 08/28/2019   18:26:30   (   0.06, -75.42) (   0.35, -74.08)  153.16                80
 08/30/2019   06:48:03   (  -0.06, -75.45) (   0.80, -79.29)  437.09                80
 08/31/2019   06:26:28   (  -0.06, -75.48) (  -0.25, -74.72)   87.16                80