Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 5 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/05/2023   07:19:28   (  -0.01, -75.19) (   0.70, -78.39)  364.97                80
 05/06/2023   06:58:24   (  -0.02, -75.19) (  -0.30, -73.94)  143.25                80
 05/07/2023   19:23:34   (   0.01, -75.20) (  -0.90, -79.35)  473.27                80
 05/08/2023   19:02:30   (   0.02, -75.20) (   0.10, -74.90)   35.13                80
 05/11/2023   07:09:06   (  -0.01, -75.21) (   0.11, -75.81)   67.83                80
 05/12/2023   06:48:03   (  -0.01, -75.22) (  -0.90, -71.36)  440.95                80
 05/13/2023   19:10:31   (   0.00, -75.23) (  -0.34, -76.76)  174.40                80
 05/14/2023   18:54:47   (   0.00, -75.25) (   0.67, -72.31)  335.07                80
 05/16/2023   07:17:07   (  -0.00, -75.27) (   0.54, -77.68)  274.56                80
 05/17/2023   06:56:03   (  -0.00, -75.29) (  -0.47, -73.23)  235.21                80
 05/18/2023   19:18:32   (   0.00, -75.31) (  -0.75, -78.63)  378.94                80