Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 9 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 09/04/2020   06:19:21   (  -0.05, -75.18) (  -0.67, -72.40)  317.14                80
 09/05/2020   18:40:59   (   0.05, -75.20) (  -0.48, -77.63)  276.82                80
 09/06/2020   18:24:43   (   0.05, -75.20) (   0.54, -73.05)  245.94                80
 09/08/2020   06:46:13   (  -0.05, -75.21) (   0.60, -78.25)  345.71                80
 09/09/2020   06:24:36   (  -0.06, -75.21) (  -0.42, -73.66)  177.08                80
 09/10/2020   18:46:15   (   0.06, -75.23) (  -0.73, -78.89)  416.66                80
 09/11/2020   18:29:58   (   0.06, -75.24) (   0.29, -74.31)  106.33                80
 09/13/2020   06:51:28   (  -0.07, -75.25) (   0.90, -79.49)  484.72                80
 09/14/2020   06:29:52   (  -0.07, -75.26) (  -0.18, -74.93)   38.47                80
 09/16/2020   18:32:34   (   0.08, -75.29) (   0.04, -75.57)   31.42                80
 09/17/2020   18:16:17   (   0.08, -75.31) (   1.06, -70.99)  492.48                80