Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 3 19.  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) (  -0.07, -75.74)   58.90                80
 03/21/2023   18:44:57   (   0.06, -75.23) (   0.97, -71.30)  449.59                80
 03/23/2023   07:09:58   (  -0.05, -75.25) (   0.29, -76.67)  162.27                80
 03/24/2023   06:48:57   (  -0.06, -75.27) (  -0.76, -72.23)  346.53                80
 03/25/2023   19:14:07   (   0.05, -75.29) (  -0.46, -77.65)  268.29                80
 03/26/2023   18:53:05   (   0.05, -75.31) (   0.54, -73.20)  240.91                80
 03/28/2023   07:18:06   (  -0.04, -75.33) (   0.70, -78.57)  369.73                80
 03/29/2023   06:57:04   (  -0.04, -75.35) (  -0.30, -74.12)  139.74                80
 03/30/2023   19:22:14   (   0.03, -75.38) (  -0.90, -79.54)  474.14                80
 03/31/2023   19:01:11   (   0.03, -75.41) (   0.11, -75.09)   35.88                80