Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 9 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 09/30/2023   06:57:24   (   0.04, -75.21) (  -0.95, -70.96)  484.65                80
 10/01/2023   19:17:10   (  -0.04, -75.22) (  -0.30, -76.36)  129.67                80
 10/02/2023   19:01:26   (  -0.04, -75.23) (   0.72, -71.90)  379.85                80
 10/04/2023   07:23:44   (   0.04, -75.23) (   0.47, -77.27)  231.08                80
 10/05/2023   07:02:39   (   0.04, -75.24) (  -0.50, -72.79)  278.53                80
 10/06/2023   19:25:05   (  -0.03, -75.26) (  -0.72, -78.19)  335.21                80
 10/07/2023   19:09:20   (  -0.03, -75.27) (   0.31, -73.73)  174.90                80
 10/09/2023   07:31:39   (   0.02, -75.29) (   0.88, -79.10)  434.67                80
 10/10/2023   07:10:34   (   0.02, -75.31) (  -0.15, -74.65)   75.85                80
 10/12/2023   19:14:35   (  -0.01, -75.36) (  -0.06, -75.58)   25.20                80
 10/13/2023   18:58:51   (  -0.02, -75.38) (   0.98, -71.12)  486.14                80