Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 4 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/11/2020   18:28:35   (   0.01, -75.21) (   0.19, -74.40)   92.34                80
 04/14/2020   06:28:30   (  -0.01, -75.18) (  -0.04, -75.01)   19.05                80
 04/16/2020   18:31:13   (   0.01, -75.19) (  -0.09, -75.67)   54.33                80
 04/17/2020   18:14:56   (   0.01, -75.19) (   0.91, -71.08)  467.82                80
 04/19/2020   06:36:28   (  -0.00, -75.19) (   0.23, -76.29)  124.72                80
 04/20/2020   06:14:51   (  -0.00, -75.20) (  -0.76, -71.70)  397.66                80
 04/21/2020   18:36:30   (   0.01, -75.22) (  -0.36, -76.94)  196.12                80
 04/22/2020   18:20:14   (   0.01, -75.23) (   0.64, -72.36)  326.74                80
 04/24/2020   06:41:45   (  -0.01, -75.24) (   0.50, -77.56)  264.67                80