Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 10 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)
 10/26/2020   06:36:33   (   0.01, -75.18) (   0.13, -75.72)   61.82                80
 10/27/2020   06:14:57   (   0.01, -75.18) (  -0.91, -71.14)  460.98                80
 10/28/2020   18:36:35   (  -0.00, -75.20) (  -0.27, -76.36)  132.64                80
 10/29/2020   18:20:19   (  -0.01, -75.21) (   0.76, -71.78)  390.76                80
 10/31/2020   06:41:48   (   0.00, -75.22) (   0.38, -76.98)  199.22                80
 11/01/2020   06:20:11   (   0.01, -75.23) (  -0.65, -72.39)  324.29                80
 11/02/2020   18:41:50   (  -0.00, -75.26) (  -0.51, -77.62)  268.73                80
 11/03/2020   18:25:33   (  -0.00, -75.27) (   0.52, -73.04)  255.05                80
 11/05/2020   06:47:02   (   0.00, -75.29) (   0.68, -78.22)  334.36                80
 11/06/2020   06:25:25   (   0.00, -75.30) (  -0.35, -73.64)  189.35                80
 11/07/2020   18:47:03   (   0.00, -75.33) (  -0.81, -78.86)  403.36                80