Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2022 5 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/20/2022   18:53:24   (   0.01, -75.20) (  -0.16, -75.88)   77.79                80
 05/21/2022   18:32:20   (   0.01, -75.20) (   0.88, -71.43)  430.24                80
 05/23/2022   06:57:19   (  -0.00, -75.21) (   0.38, -76.80)  182.60                80
 05/24/2022   06:36:15   (  -0.01, -75.21) (  -0.66, -72.35)  325.87                80
 05/25/2022   18:58:43   (   0.00, -75.23) (  -0.55, -77.77)  289.20                80
 05/26/2022   18:42:58   (   0.01, -75.24) (   0.44, -73.31)  219.92                80
 05/28/2022   07:05:17   (  -0.00, -75.26) (   0.77, -78.69)  391.31                80
 05/29/2022   06:44:13   (  -0.01, -75.27) (  -0.22, -74.23)  117.84                80
 05/30/2022   19:06:40   (   0.01, -75.29) (  -0.96, -79.65)  496.66                80
 05/31/2022   18:50:56   (   0.01, -75.31) (   0.03, -75.19)   12.92                80