Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2022 7 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)
 07/11/2022   06:55:09   (   0.04, -75.20) (   0.16, -75.83)   71.43                80
 07/12/2022   06:34:04   (   0.03, -75.20) (  -0.86, -71.38)  436.24                80
 07/13/2022   18:56:31   (  -0.03, -75.19) (  -0.38, -76.78)  181.01                80
 07/14/2022   18:40:46   (  -0.03, -75.20) (   0.64, -72.33)  327.25                80
 07/16/2022   07:03:03   (   0.03, -75.20) (   0.61, -77.69)  284.38                80
 07/17/2022   06:41:59   (   0.03, -75.21) (  -0.41, -73.24)  224.44                80
 07/18/2022   19:04:25   (  -0.03, -75.22) (  -0.83, -78.65)  391.26                80
 07/19/2022   18:48:41   (  -0.03, -75.23) (   0.19, -74.19)  118.22                80
 07/21/2022   07:10:59   (   0.03, -75.26) (   0.99, -79.57)  491.68                80
 07/22/2022   06:49:55   (   0.03, -75.27) (  -0.03, -75.12)   18.07                80
 07/24/2022   18:53:57   (   0.01, -75.30) (  -0.13, -76.08)   88.12                80