Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 5 2.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/02/2020   18:30:48   (   0.01, -75.19) (   0.06, -74.88)   35.24                80
 05/05/2020   06:33:23   (  -0.01, -75.20) (   0.06, -75.50)   34.37                80
 05/06/2020   06:11:48   (  -0.01, -75.21) (  -0.99, -70.93)  487.94                80
 05/07/2020   18:33:26   (   0.01, -75.22) (  -0.19, -76.15)  106.59                80
 05/08/2020   18:17:10   (   0.01, -75.23) (   0.80, -71.57)  416.16                80
 05/10/2020   06:38:41   (  -0.01, -75.24) (   0.30, -76.78)  174.45                80
 05/11/2020   06:17:04   (  -0.01, -75.25) (  -0.70, -72.19)  348.47                80
 05/12/2020   18:38:43   (   0.01, -75.27) (  -0.49, -77.42)  245.43                80
 05/13/2020   18:22:27   (   0.00, -75.28) (   0.57, -72.84)  278.16                80
 05/15/2020   06:43:57   (  -0.00, -75.31) (   0.59, -78.04)  310.74                80