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

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 08/16/2020   18:22:37   (   0.05, -75.19) (   0.63, -72.61)  293.99                80
 08/18/2020   06:41:28   (  -0.06, -75.18) (   0.53, -77.80)  298.65                80
 08/19/2020   06:25:11   (  -0.06, -75.19) (  -0.49, -73.22)  224.00                80
 08/20/2020   18:44:09   (   0.06, -75.21) (  -0.66, -78.45)  369.36                80
 08/21/2020   18:27:53   (   0.06, -75.22) (   0.36, -73.87)  153.77                80
 08/23/2020   06:46:43   (  -0.07, -75.23) (   0.80, -79.06)  437.57                80
 08/24/2020   06:30:27   (  -0.06, -75.24) (  -0.22, -74.48)   85.77                80
 08/26/2020   18:33:09   (   0.07, -75.28) (   0.10, -75.13)   16.66                80
 08/29/2020   06:33:02   (  -0.08, -75.31) (   0.04, -75.74)   50.23                80