Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 9 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 09/20/2023   19:19:42   (  -0.06, -75.21) (  -0.48, -77.13)  218.67                80
 09/21/2023   19:03:58   (  -0.06, -75.21) (   0.52, -72.67)  289.86                80
 09/23/2023   07:23:36   (   0.05, -75.21) (   0.69, -78.04)  322.12                80
 09/24/2023   07:07:52   (   0.05, -75.21) (  -0.31, -73.57)  186.41                80
 09/25/2023   19:27:39   (  -0.04, -75.21) (  -0.90, -78.98)  429.38                80
 09/26/2023   19:11:54   (  -0.03, -75.22) (   0.11, -74.52)   79.75                80
 09/29/2023   07:13:08   (   0.03, -75.24) (   0.08, -75.42)   21.03                80
 09/30/2023   06:57:24   (   0.03, -75.25) (  -0.93, -70.97)  488.87                80
 10/01/2023   19:17:10   (  -0.03, -75.27) (  -0.30, -76.36)  124.89                80
 10/02/2023   19:01:26   (  -0.03, -75.28) (   0.72, -71.90)  385.39                80