Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 11 6.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 11/06/2023   07:12:58   (   0.01, -75.21) (  -0.10, -74.80)   47.93                80
 11/08/2023   19:16:55   (  -0.01, -75.24) (  -0.11, -75.72)   53.85                80
 11/09/2023   19:01:09   (  -0.01, -75.25) (   0.88, -71.24)  456.99                80
 11/11/2023   07:23:25   (   0.01, -75.27) (   0.31, -76.60)  152.12                80
 11/12/2023   07:02:19   (   0.01, -75.28) (  -0.68, -72.13)  358.82                80
 11/13/2023   19:24:43   (  -0.01, -75.30) (  -0.48, -77.52)  252.64                80
 11/14/2023   19:08:57   (  -0.01, -75.32) (   0.52, -73.05)  258.55                80
 11/16/2023   07:31:12   (   0.01, -75.33) (   0.71, -78.40)  349.89                80
 11/17/2023   07:10:05   (   0.01, -75.35) (  -0.31, -73.93)  161.13                80
 11/18/2023   19:32:29   (  -0.00, -75.37) (  -0.89, -79.32)  450.28                80
 11/19/2023   19:16:42   (  -0.00, -75.39) (   0.13, -74.85)   61.32                80