Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 9 29.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 09/29/2020   06:48:15   (  -0.02, -75.18) (   0.76, -78.65)  396.42                80
 09/30/2020   06:26:38   (  -0.02, -75.18) (  -0.27, -74.07)  126.69                80
 10/01/2020   18:48:17   (   0.02, -75.21) (  -0.91, -79.30)  465.87                80
 10/02/2020   18:32:00   (   0.02, -75.23) (   0.11, -74.71)   57.86                80
 10/05/2020   06:33:52   (  -0.02, -75.25) (   0.01, -75.32)    8.85                39
 10/07/2020   18:34:36   (   0.02, -75.30) (  -0.11, -75.98)   76.87                80
 10/08/2020   18:18:19   (   0.01, -75.32) (   0.92, -71.40)  447.23                80
 10/10/2020   06:39:48   (  -0.02, -75.33) (   0.29, -76.58)  142.53                80
 10/11/2020   06:18:12   (  -0.02, -75.35) (  -0.80, -72.01)  381.56                80
 10/12/2020   18:39:50   (   0.02, -75.39) (  -0.38, -77.23)  210.04                80