Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 6 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 06/13/2023   07:02:18   (  -0.02, -75.19) (  -0.37, -73.71)  168.64                80
 06/14/2023   19:22:08   (   0.03, -75.20) (  -0.89, -79.12)  448.13                80
 06/15/2023   19:06:26   (   0.03, -75.20) (   0.17, -74.68)   59.98                80
 06/18/2023   07:07:45   (  -0.03, -75.22) (   0.08, -75.60)   44.65                80
 06/19/2023   06:52:04   (  -0.03, -75.22) (  -0.98, -71.16)  463.89                80
 06/20/2023   19:11:53   (   0.04, -75.24) (  -0.26, -76.57)  151.73                80
 06/21/2023   18:56:10   (   0.03, -75.25) (   0.75, -72.12)  357.26                80
 06/23/2023   07:15:53   (  -0.04, -75.27) (   0.45, -77.51)  253.99                80
 06/24/2023   07:00:10   (  -0.04, -75.29) (  -0.56, -73.05)  255.48                80
 06/25/2023   19:20:00   (   0.04, -75.32) (  -0.66, -78.47)  358.75                80
 06/26/2023   19:04:17   (   0.04, -75.34) (   0.35, -74.01)  151.13                80