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

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 10/10/2023   07:13:13   (   0.02, -75.20) (  -0.13, -74.63)   65.10                80
 10/12/2023   19:14:34   (  -0.02, -75.21) (  -0.07, -75.57)   40.46                80
 10/13/2023   18:58:49   (  -0.02, -75.21) (   0.92, -71.10)  469.06                80
 10/15/2023   07:21:06   (   0.02, -75.21) (   0.30, -76.46)  142.27                80
 10/16/2023   07:00:00   (   0.02, -75.22) (  -0.69, -71.99)  367.24                80
 10/17/2023   19:22:26   (  -0.02, -75.23) (  -0.52, -77.39)  246.40                80
 10/18/2023   19:06:40   (  -0.02, -75.23) (   0.49, -72.92)  263.24                80
 10/20/2023   07:28:58   (   0.01, -75.24) (   0.72, -78.28)  347.79                80
 10/21/2023   07:07:52   (   0.01, -75.24) (  -0.28, -73.82)  161.78                80
 10/22/2023   19:30:17   (  -0.01, -75.25) (  -0.90, -79.21)  451.67                80
 10/23/2023   19:14:32   (  -0.00, -75.26) (   0.12, -74.75)   58.46                80