Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 10 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 10/01/2023   19:17:10   (  -0.04, -75.22) (  -0.31, -76.35)  129.64                80
 10/02/2023   19:01:25   (  -0.04, -75.23) (   0.71, -71.89)  379.85                80
 10/04/2023   07:23:44   (   0.04, -75.23) (   0.48, -77.26)  231.25                80
 10/05/2023   07:02:39   (   0.04, -75.24) (  -0.54, -72.80)  278.34                80
 10/06/2023   19:25:06   (  -0.03, -75.26) (  -0.67, -78.20)  335.29                80
 10/07/2023   19:09:20   (  -0.03, -75.27) (   0.30, -73.73)  174.82                80
 10/09/2023   07:31:38   (   0.02, -75.29) (   0.88, -79.10)  434.91                80
 10/10/2023   07:10:34   (   0.02, -75.30) (  -0.15, -74.64)   75.62                80
 10/12/2023   19:14:35   (  -0.01, -75.35) (  -0.05, -75.58)   25.37                80
 10/13/2023   18:58:49   (  -0.02, -75.38) (   0.94, -71.11)  486.02                80