Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 10 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 10/09/2023   07:31:38   (   0.02, -75.22) (   0.91, -79.09)  442.28                80
 10/10/2023   07:10:33   (   0.02, -75.22) (  -0.13, -74.64)   67.25                80
 10/12/2023   19:14:34   (  -0.01, -75.26) (  -0.07, -75.57)   35.47                80
 10/13/2023   18:58:49   (  -0.02, -75.27) (   0.92, -71.10)  474.95                80
 10/15/2023   07:21:06   (   0.01, -75.28) (   0.31, -76.46)  135.12                80
 10/16/2023   07:00:01   (   0.02, -75.29) (  -0.74, -72.01)  375.38                80
 10/17/2023   19:22:27   (  -0.02, -75.32) (  -0.47, -77.40)  236.56                80
 10/18/2023   19:06:41   (  -0.02, -75.33) (   0.53, -72.93)  274.06                80
 10/20/2023   07:28:59   (   0.01, -75.35) (   0.68, -78.29)  335.64                80
 10/21/2023   07:07:53   (   0.01, -75.36) (  -0.32, -73.83)  174.86                80