Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 12 17.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 12/19/2023   07:22:19   (  -0.02, -75.24) (   0.09, -75.72)   54.26                80
 12/20/2023   07:01:12   (  -0.02, -75.25) (  -0.91, -71.24)  457.03                80
 12/21/2023   19:23:35   (   0.02, -75.27) (  -0.30, -76.63)  154.21                80
 12/22/2023   19:07:48   (   0.01, -75.29) (   0.70, -72.15)  357.63                80
 12/24/2023   07:30:02   (  -0.01, -75.31) (   0.46, -77.50)  248.94                80
 12/25/2023   07:08:54   (   0.00, -75.33) (  -0.54, -73.03)  263.00                80
 12/26/2023   19:31:17   (  -0.00, -75.35) (  -0.71, -78.40)  347.71                80
 12/27/2023   19:15:30   (  -0.01, -75.37) (   0.35, -73.94)  164.64                80
 12/29/2023   07:37:44   (   0.01, -75.41) (   0.86, -79.28)  440.66                80
 12/30/2023   07:16:36   (   0.00, -75.43) (  -0.14, -74.80)   71.91                80