Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2021 5 29.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/30/2021   06:40:44   (  -0.01, -75.20) (   0.07, -75.52)   36.64                80
 05/31/2021   06:19:07   (  -0.00, -75.21) (  -0.97, -70.93)  487.32                80
 06/01/2021   18:40:43   (   0.00, -75.23) (  -0.21, -76.14)  104.41                80
 06/02/2021   18:24:26   (  -0.00, -75.24) (   0.83, -71.56)  420.24                80
 06/04/2021   06:45:53   (  -0.00, -75.26) (   0.33, -76.73)  167.67                80
 06/05/2021   06:24:16   (   0.00, -75.28) (  -0.71, -72.15)  357.28                80
 06/06/2021   18:45:52   (   0.01, -75.31) (  -0.48, -77.35)  233.54                80
 06/07/2021   18:29:35   (   0.01, -75.33) (   0.56, -72.77)  291.78                80
 06/09/2021   06:51:03   (  -0.02, -75.36) (   0.54, -77.96)  295.19                80
 06/10/2021   06:32:04   (  -0.01, -75.38) (  -0.44, -73.36)  230.21                80
 06/11/2021   18:51:02   (   0.02, -75.42) (  -0.68, -78.58)  360.30                80