Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2022 6 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 06/20/2022   06:39:11   (   0.02, -75.20) (  -0.53, -72.82)  271.81                80
 06/21/2022   19:01:37   (  -0.02, -75.20) (  -0.69, -78.22)  344.49                80
 06/22/2022   18:43:13   (  -0.02, -75.20) (   0.32, -73.77)  163.73                80
 06/24/2022   07:08:11   (   0.02, -75.20) (   0.93, -79.14)  449.00                80
 06/25/2022   06:47:07   (   0.01, -75.21) (  -0.08, -74.68)   59.34                80
 06/27/2022   18:51:09   (   0.00, -75.22) (  -0.07, -75.65)   48.03                80
 06/28/2022   18:35:25   (   0.01, -75.23) (   0.94, -71.19)  460.81                80
 06/30/2022   06:57:43   (  -0.01, -75.24) (   0.29, -76.57)  150.93                80
 07/01/2022   06:36:39   (  -0.01, -75.25) (  -0.72, -72.11)  358.13                80
 07/02/2022   18:59:05   (   0.01, -75.27) (  -0.50, -77.52)  256.51                80
 07/03/2022   18:43:21   (   0.01, -75.28) (   0.52, -73.06)  253.15                80