Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2022 4 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/18/2022   18:42:16   (   0.04, -75.24) (   0.42, -73.47)  200.50                80
 04/20/2022   07:04:36   (  -0.04, -75.24) (   0.77, -78.86)  412.24                80
 04/21/2022   06:43:32   (  -0.04, -75.25) (  -0.24, -74.41)   95.84                80
 04/23/2022   18:50:17   (   0.03, -75.27) (   0.00, -75.37)   11.51                80
 04/24/2022   18:31:54   (   0.03, -75.28) (   1.02, -70.92)  497.43                80
 04/26/2022   06:54:12   (  -0.02, -75.30) (   0.23, -76.29)  113.74                80
 04/27/2022   06:33:08   (  -0.02, -75.32) (  -0.79, -71.84)  395.63                80
 04/28/2022   18:55:38   (   0.02, -75.35) (  -0.39, -77.27)  218.49                80
 04/29/2022   18:39:53   (   0.02, -75.37) (   0.58, -72.81)  291.51                80
 05/01/2022   07:02:13   (  -0.02, -75.40) (   0.62, -78.19)  318.13                80