Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 1 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)
 01/30/2023   19:02:40   (   0.06, -75.18) (  -0.19, -76.18)  114.21                80
 01/31/2023   18:46:59   (   0.05, -75.18) (   0.80, -71.74)  392.36                80
 02/02/2023   07:09:24   (  -0.05, -75.19) (   0.39, -77.14)  222.24                80
 02/03/2023   06:48:24   (  -0.04, -75.19) (  -0.60, -72.69)  284.49                80
 02/04/2023   19:10:57   (   0.04, -75.19) (  -0.60, -78.13)  334.35                80
 02/05/2023   18:55:17   (   0.04, -75.20) (   0.40, -73.69)  172.97                80
 02/07/2023   07:17:41   (  -0.03, -75.22) (   0.85, -79.08)  440.01                80
 02/08/2023   06:56:41   (  -0.03, -75.23) (  -0.15, -74.63)   67.60                80
 02/10/2023   19:00:52   (   0.03, -75.25) (  -0.08, -75.62)   41.92                80
 02/11/2023   18:45:12   (   0.03, -75.27) (   0.94, -71.18)  466.25                80