Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 7 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 07/05/2023   06:55:17   (   0.01, -75.19) (  -0.63, -72.35)  324.05                80
 07/06/2023   19:17:46   (  -0.00, -75.19) (  -0.58, -77.76)  293.28                80
 07/07/2023   19:02:04   (  -0.00, -75.19) (   0.44, -73.31)  214.83                80
 07/09/2023   07:24:25   (   0.00, -75.21) (   0.78, -78.69)  397.01                80
 07/10/2023   07:03:22   (   0.00, -75.21) (  -0.19, -74.23)  111.60                80
 07/12/2023   19:10:09   (  -0.01, -75.23) (   0.01, -75.19)    4.72                80
 07/15/2023   07:14:06   (   0.01, -75.27) (   0.23, -76.11)   97.01                80
 07/16/2023   06:53:04   (   0.01, -75.28) (  -0.80, -71.66)  412.25                80
 07/17/2023   19:15:33   (  -0.01, -75.30) (  -0.39, -77.08)  202.75                80
 07/18/2023   18:59:50   (  -0.01, -75.31) (   0.58, -72.62)  306.98                80