Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2022 4 17.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/17/2022   19:00:40   (   0.04, -75.23) (  -0.57, -77.93)  307.79                80
 04/18/2022   18:39:37   (   0.04, -75.24) (   0.44, -73.48)  200.40                80
 04/20/2022   07:04:36   (  -0.04, -75.24) (   0.75, -78.86)  412.17                80
 04/21/2022   06:43:32   (  -0.04, -75.25) (  -0.21, -74.40)   95.96                80
 04/23/2022   18:47:37   (   0.03, -75.27) (   0.04, -75.38)   12.03                80
 04/24/2022   18:31:53   (   0.03, -75.28) (   1.00, -70.92)  497.35                80
 04/26/2022   06:54:12   (  -0.02, -75.30) (   0.20, -76.30)  113.61                80
 04/27/2022   06:33:09   (  -0.02, -75.32) (  -0.82, -71.85)  395.73                80
 04/28/2022   18:58:17   (   0.02, -75.35) (  -0.40, -77.27)  218.51                80
 04/29/2022   18:37:14   (   0.02, -75.37) (   0.62, -72.82)  291.47                80