Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 4 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/16/2023   19:09:46   (   0.03, -75.23) (  -0.24, -76.29)  122.67                80
 04/17/2023   18:48:43   (   0.03, -75.24) (   0.79, -71.85)  386.20                80
 04/19/2023   07:13:43   (  -0.03, -75.25) (   0.42, -77.22)  224.72                80
 04/20/2023   06:52:41   (  -0.03, -75.27) (  -0.61, -72.78)  284.40                80
 04/21/2023   19:17:50   (   0.03, -75.29) (  -0.63, -78.19)  330.10                80
 04/22/2023   18:56:48   (   0.03, -75.31) (   0.41, -73.74)  179.41                80
 04/24/2023   07:21:47   (  -0.02, -75.33) (   0.85, -79.11)  430.48                80
 04/25/2023   07:00:45   (  -0.02, -75.35) (  -0.20, -74.66)   79.25                80
 04/27/2023   19:07:30   (   0.02, -75.41) (  -0.05, -75.61)   24.18                80
 04/28/2023   18:46:28   (   0.02, -75.43) (   1.00, -71.17)  486.36                80