Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 9 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 09/03/2020   06:40:58   (  -0.06, -75.18) (   0.33, -76.99)  205.28                80
 09/04/2020   06:19:21   (  -0.05, -75.19) (  -0.69, -72.41)  317.22                80
 09/05/2020   18:40:59   (   0.06, -75.20) (  -0.46, -77.63)  276.80                80
 09/06/2020   18:24:43   (   0.06, -75.21) (   0.55, -73.05)  246.11                80
 09/08/2020   06:46:12   (  -0.06, -75.21) (   0.65, -78.24)  345.12                80
 09/09/2020   06:24:37   (  -0.06, -75.22) (  -0.43, -73.67)  177.82                80
 09/10/2020   18:46:15   (   0.07, -75.24) (  -0.72, -78.89)  415.98                80
 09/11/2020   18:29:59   (   0.07, -75.25) (   0.30, -74.31)  107.14                80
 09/13/2020   06:51:28   (  -0.08, -75.26) (   0.90, -79.50)  483.49                80
 09/14/2020   06:29:52   (  -0.08, -75.27) (  -0.18, -74.93)   39.79                80
 09/16/2020   18:32:34   (   0.08, -75.31) (   0.04, -75.57)   29.91                80