Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 7 26.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 07/26/2020   18:20:30   (   0.02, -75.19) (   0.68, -72.15)  346.21                80
 07/28/2020   06:39:21   (  -0.03, -75.20) (   0.48, -77.35)  245.48                80
 07/29/2020   06:23:05   (  -0.03, -75.20) (  -0.59, -72.78)  276.84                80
 07/30/2020   18:42:03   (   0.03, -75.20) (  -0.57, -78.00)  318.51                80
 07/31/2020   18:25:47   (   0.03, -75.21) (   0.45, -73.42)  204.14                80
 08/02/2020   06:44:37   (  -0.04, -75.22) (   0.72, -78.62)  386.67                80
 08/03/2020   06:28:21   (  -0.04, -75.23) (  -0.30, -74.03)  136.36                80
 08/04/2020   18:47:19   (   0.04, -75.25) (  -0.86, -79.26)  457.67                80
 08/05/2020   18:31:03   (   0.04, -75.26) (   0.16, -74.68)   66.03                80
 08/08/2020   06:33:38   (  -0.04, -75.31) (  -0.06, -75.30)    2.03                80