Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2019 5 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/06/2019   06:43:07   (  -0.01, -75.20) (   0.57, -77.95)  312.03                80
 05/07/2019   06:21:31   (  -0.01, -75.20) (  -0.40, -73.37)  208.29                80
 05/08/2019   18:43:12   (   0.01, -75.20) (  -0.76, -78.61)  389.68                80
 05/09/2019   18:26:58   (   0.01, -75.19) (   0.28, -74.05)  130.84                80
 05/11/2019   06:48:30   (  -0.00, -75.18) (   0.88, -79.26)  463.63                80
 05/12/2019   06:26:55   (  -0.00, -75.18) (  -0.10, -74.68)   57.17                80
 05/14/2019   18:29:42   (   0.00, -75.19) (  -0.03, -75.36)   18.78                80
 05/17/2019   06:35:00   (  -0.00, -75.21) (   0.15, -76.00)   90.26                80
 05/18/2019   06:13:24   (  -0.00, -75.21) (  -0.83, -71.42)  431.51                80