Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 8 22.  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   (  -0.05, -75.19) (   0.79, -79.06)  440.69                80
 08/24/2020   06:30:27   (  -0.05, -75.20) (  -0.22, -74.48)   81.99                80
 08/26/2020   18:33:09   (   0.06, -75.22) (   0.10, -75.13)   11.04                80
 08/29/2020   06:33:03   (  -0.07, -75.24) (   0.05, -75.74)   57.24                80
 08/30/2020   06:16:46   (  -0.07, -75.25) (  -0.97, -71.16)  466.09                80
 08/31/2020   18:35:44   (   0.08, -75.28) (  -0.18, -76.39)  126.57                80
 09/01/2020   18:19:28   (   0.07, -75.29) (   0.84, -71.80)  397.42                80
 09/03/2020   06:38:18   (  -0.08, -75.32) (   0.32, -77.00)  191.88                80
 09/04/2020   06:22:03   (  -0.08, -75.34) (  -0.76, -72.43)  332.59                80