Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2022 7 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 07/11/2022   06:55:09   (   0.02, -75.21) (   0.17, -75.83)   71.29                80
 07/12/2022   06:34:04   (   0.00, -75.21) (  -0.85, -71.38)  436.71                80
 07/13/2022   18:56:31   (   0.01, -75.22) (  -0.33, -76.80)  179.86                80
 07/14/2022   18:40:47   (   0.02, -75.22) (   0.68, -72.34)  328.79                80
 07/16/2022   07:03:05   (  -0.02, -75.24) (   0.51, -77.72)  282.42                80
 07/17/2022   06:42:00   (  -0.02, -75.25) (  -0.45, -73.25)  226.96                80
 07/18/2022   19:04:26   (   0.00, -75.26) (  -0.79, -78.66)  387.42                80
 07/19/2022   18:48:42   (  -0.00, -75.28) (   0.23, -74.20)  122.76                80
 07/21/2022   07:11:00   (  -0.02, -75.31) (   0.96, -79.58)  487.03                80
 07/22/2022   06:49:56   (  -0.01, -75.33) (  -0.06, -75.13)   23.19                80