Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 7 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)
 07/06/2023   19:17:46   (   0.02, -75.19) (  -0.57, -77.76)  293.48                80
 07/07/2023   19:02:04   (   0.02, -75.19) (   0.45, -73.31)  214.68                80
 07/09/2023   07:24:25   (  -0.02, -75.21) (   0.77, -78.69)  397.24                80
 07/10/2023   07:03:23   (  -0.02, -75.22) (  -0.26, -74.24)  111.37                80
 07/12/2023   19:10:09   (   0.03, -75.24) (   0.02, -75.19)    4.81                80
 07/15/2023   07:14:07   (  -0.04, -75.27) (   0.16, -76.13)   97.39                80
 07/16/2023   06:53:05   (  -0.04, -75.29) (  -0.87, -71.68)  411.79                80
 07/17/2023   19:15:33   (   0.05, -75.31) (  -0.38, -77.08)  203.08                80
 07/18/2023   18:59:51   (   0.05, -75.32) (   0.65, -72.63)  306.69                80