Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 3 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)
 03/20/2023   19:05:59   (   0.05, -75.22) (  -0.04, -75.74)   59.10                80
 03/21/2023   18:44:56   (   0.06, -75.23) (   0.93, -71.29)  449.34                80
 03/23/2023   07:09:59   (  -0.05, -75.25) (   0.27, -76.68)  162.67                80
 03/24/2023   06:48:56   (  -0.06, -75.26) (  -0.72, -72.22)  346.03                80
 03/25/2023   19:14:07   (   0.05, -75.29) (  -0.50, -77.64)  268.86                80
 03/26/2023   18:53:05   (   0.05, -75.30) (   0.55, -73.20)  240.26                80
 03/28/2023   07:18:06   (  -0.04, -75.33) (   0.69, -78.58)  370.58                80
 03/29/2023   06:57:04   (  -0.04, -75.35) (  -0.31, -74.13)  138.79                80
 03/30/2023   19:22:14   (   0.03, -75.38) (  -0.89, -79.55)  475.16                80
 03/31/2023   19:01:12   (   0.03, -75.40) (   0.11, -75.10)   34.80                80