Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 10 7.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 10/07/2023   19:09:20   (  -0.03, -75.22) (   0.29, -73.73)  169.53                80
 10/09/2023   07:31:38   (   0.02, -75.22) (   0.89, -79.10)  442.26                80
 10/10/2023   07:10:33   (   0.02, -75.22) (  -0.09, -74.63)   67.35                80
 10/12/2023   19:14:33   (  -0.01, -75.26) (  -0.11, -75.56)   35.52                80
 10/13/2023   18:58:49   (  -0.02, -75.27) (   0.94, -71.11)  475.02                80
 10/15/2023   07:21:06   (   0.01, -75.28) (   0.29, -76.46)  134.91                80
 10/16/2023   07:00:01   (   0.02, -75.30) (  -0.71, -72.00)  375.59                80
 10/17/2023   19:22:26   (  -0.01, -75.32) (  -0.50, -77.39)  236.37                80
 10/18/2023   19:06:41   (  -0.02, -75.34) (   0.50, -72.93)  274.30                80
 10/20/2023   07:28:59   (   0.01, -75.35) (   0.65, -78.30)  335.31                80