Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 12 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 12/15/2023   19:34:20   (   0.02, -75.22) (  -0.91, -79.32)  467.61                80
 12/16/2023   19:18:32   (   0.01, -75.22) (   0.08, -74.84)   43.10                80
 12/19/2023   07:22:19   (  -0.02, -75.24) (   0.11, -75.71)   54.51                80
 12/20/2023   07:01:12   (  -0.01, -75.25) (  -0.94, -71.25)  456.75                80
 12/21/2023   19:23:35   (   0.02, -75.27) (  -0.32, -76.62)  154.56                80
 12/22/2023   19:07:48   (   0.01, -75.29) (   0.74, -72.16)  357.22                80
 12/24/2023   07:30:02   (  -0.01, -75.31) (   0.49, -77.50)  249.55                80
 12/25/2023   07:08:54   (   0.00, -75.32) (  -0.51, -73.02)  262.29                80
 12/26/2023   19:31:17   (  -0.00, -75.35) (  -0.68, -78.41)  348.45                80
 12/27/2023   19:15:30   (  -0.01, -75.37) (   0.32, -73.93)  163.79                80