Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 8 23.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 08/23/2020   06:46:43   (  -0.04, -75.19) (   0.81, -79.06)  440.98                80
 08/24/2020   06:30:27   (  -0.04, -75.19) (  -0.21, -74.48)   81.41                80
 08/26/2020   18:33:09   (   0.05, -75.21) (   0.08, -75.12)    9.75                80
 08/29/2020   06:33:02   (  -0.06, -75.22) (   0.06, -75.74)   59.19                80
 08/30/2020   06:16:46   (  -0.06, -75.23) (  -0.95, -71.15)  463.86                80
 08/31/2020   18:35:44   (   0.07, -75.25) (  -0.19, -76.38)  129.19                80
 09/01/2020   18:19:28   (   0.07, -75.27) (   0.82, -71.80)  394.52                80
 09/03/2020   06:38:18   (  -0.07, -75.29) (   0.34, -76.99)  195.23                80
 09/04/2020   06:22:03   (  -0.07, -75.31) (  -0.74, -72.42)  328.96                80
 09/05/2020   18:41:00   (   0.07, -75.34) (  -0.47, -77.64)  262.76                80