Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 12 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 12/14/2023   07:11:56   (  -0.02, -75.21) (  -0.28, -73.93)  145.29                80
 12/15/2023   19:34:19   (   0.02, -75.22) (  -0.93, -79.31)  467.67                80
 12/16/2023   19:18:33   (   0.01, -75.22) (   0.12, -74.85)   42.98                80
 12/19/2023   07:22:20   (  -0.02, -75.24) (   0.06, -75.72)   54.84                80
 12/20/2023   07:01:12   (  -0.01, -75.25) (  -0.93, -71.25)  456.43                80
 12/21/2023   19:23:36   (   0.01, -75.27) (  -0.27, -76.63)  154.94                80
 12/22/2023   19:07:48   (   0.01, -75.28) (   0.72, -72.16)  356.77                80
 12/24/2023   07:30:01   (  -0.01, -75.30) (   0.50, -77.49)  250.11                80
 12/25/2023   07:08:54   (   0.00, -75.32) (  -0.50, -73.02)  261.68                80
 12/26/2023   19:31:17   (  -0.00, -75.34) (  -0.70, -78.40)  349.12                80
 12/27/2023   19:15:30   (  -0.01, -75.36) (   0.30, -73.93)  163.05                80