Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 3 6.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 03/08/2020   06:31:55   (   0.05, -75.22) (   0.04, -75.27)    4.91                80
 03/10/2020   18:31:59   (  -0.05, -75.26) (  -0.18, -75.92)   75.64                80
 03/11/2020   18:15:43   (  -0.05, -75.27) (   0.81, -71.34)  447.81                80
 03/13/2020   06:37:14   (   0.05, -75.30) (   0.31, -76.54)  141.91                80
 03/14/2020   06:15:38   (   0.05, -75.31) (  -0.73, -71.97)  381.66                80
 03/15/2020   18:37:17   (  -0.05, -75.34) (  -0.49, -77.19)  211.34                80
 03/16/2020   18:21:01   (  -0.06, -75.36) (   0.56, -72.62)  312.70                80
 03/18/2020   06:42:33   (   0.06, -75.40) (   0.58, -77.82)  275.96                80
 03/19/2020   06:20:56   (   0.06, -75.42) (  -0.41, -73.24)  248.33                80