Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2019 8 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 08/25/2019   06:42:39   (  -0.04, -75.20) (   0.58, -77.96)  315.21                80
 08/26/2019   06:21:04   (  -0.04, -75.20) (  -0.42, -73.39)  206.04                80
 08/27/2019   18:42:44   (   0.05, -75.22) (  -0.74, -78.63)  389.41                80
 08/28/2019   18:26:29   (   0.05, -75.22) (   0.31, -74.06)  132.12                80
 08/30/2019   06:48:02   (  -0.05, -75.22) (   0.84, -79.28)  461.88                80
 08/31/2019   06:26:26   (  -0.05, -75.23) (  -0.15, -74.70)   60.09                80
 09/02/2019   18:29:12   (   0.05, -75.27) (   0.04, -75.37)   11.78                80
 09/05/2019   06:34:29   (  -0.06, -75.29) (   0.11, -76.01)   81.68                80
 09/06/2019   06:12:54   (  -0.06, -75.31) (  -0.95, -71.44)  441.04                80
 09/07/2019   18:34:35   (   0.07, -75.35) (  -0.22, -76.68)  152.24                80