Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 5 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/21/2023   07:25:06   (  -0.02, -75.20) (   0.99, -79.53)  494.37                80
 05/22/2023   07:04:02   (  -0.02, -75.20) (  -0.03, -75.08)   14.18                80
 05/24/2023   19:08:07   (   0.03, -75.22) (  -0.15, -76.03)   93.00                80
 05/25/2023   18:52:24   (   0.03, -75.23) (   0.88, -71.58)  416.19                80
 05/27/2023   07:12:02   (  -0.03, -75.24) (   0.38, -76.94)  194.19                80
 05/28/2023   06:56:19   (  -0.03, -75.26) (  -0.65, -72.49)  315.48                80
 05/29/2023   19:16:07   (   0.04, -75.28) (  -0.54, -77.90)  298.73                80
 05/30/2023   19:00:22   (   0.04, -75.29) (   0.44, -73.44)  211.31                80
 06/01/2023   07:22:42   (  -0.04, -75.32) (   0.76, -78.81)  398.11                80
 06/02/2023   07:04:18   (  -0.05, -75.34) (  -0.27, -74.36)  111.96                80