Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2022 4 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/12/2022   18:52:40   (   0.04, -75.22) (  -0.11, -76.04)   92.42                80
 04/13/2022   18:31:35   (   0.04, -75.23) (   0.84, -71.58)  416.06                80
 04/15/2022   06:56:35   (  -0.03, -75.25) (   0.34, -76.96)  195.46                80
 04/16/2022   06:35:31   (  -0.04, -75.25) (  -0.67, -72.51)  313.08                80
 04/17/2022   19:00:39   (   0.03, -75.27) (  -0.57, -77.93)  303.10                80
 04/18/2022   18:39:36   (   0.04, -75.28) (   0.45, -73.48)  205.70                80
 04/20/2022   07:04:34   (  -0.03, -75.30) (   0.78, -78.85)  405.27                80
 04/21/2022   06:43:31   (  -0.03, -75.31) (  -0.25, -74.40)  103.46                80
 04/23/2022   18:50:15   (   0.02, -75.34) (  -0.00, -75.36)    3.82                80