Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 4 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/29/2020   06:47:02   (  -0.01, -75.17) (   0.81, -78.81)  415.25                80
 04/30/2020   06:25:27   (  -0.01, -75.18) (  -0.24, -74.24)  106.92                80
 05/01/2020   18:47:05   (   0.01, -75.19) (  -0.94, -79.47)  487.67                80
 05/02/2020   18:30:48   (   0.01, -75.19) (   0.05, -74.88)   35.09                80
 05/05/2020   06:33:23   (  -0.01, -75.21) (   0.08, -75.50)   33.18                80
 05/06/2020   06:11:48   (  -0.01, -75.22) (  -0.98, -70.93)  489.81                80
 05/07/2020   18:33:26   (   0.01, -75.25) (  -0.21, -76.15)  103.76                80
 05/08/2020   18:17:11   (   0.01, -75.26) (   0.84, -71.58)  419.59                80
 05/10/2020   06:38:41   (  -0.00, -75.28) (   0.33, -76.77)  170.24                80
 05/11/2020   06:17:05   (  -0.00, -75.30) (  -0.72, -72.20)  353.29                80