Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 6 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)
 06/20/2023   19:11:53   (   0.03, -75.19) (  -0.26, -76.57)  156.77                80
 06/21/2023   18:56:10   (   0.03, -75.19) (   0.74, -72.12)  350.85                80
 06/23/2023   07:15:52   (  -0.03, -75.19) (   0.50, -77.49)  262.45                80
 06/24/2023   07:00:09   (  -0.03, -75.20) (  -0.50, -73.04)  245.68                80
 06/25/2023   19:19:58   (   0.03, -75.21) (  -0.72, -78.45)  370.36                80
 06/26/2023   19:04:16   (   0.03, -75.21) (   0.29, -74.00)  138.18                80
 06/28/2023   07:23:58   (  -0.04, -75.23) (   0.89, -79.39)  474.07                80
 06/29/2023   07:08:16   (  -0.04, -75.24) (  -0.12, -74.94)   34.56                80
 07/01/2023   19:09:43   (   0.05, -75.26) (  -0.08, -75.90)   72.48                80
 07/02/2023   18:54:00   (   0.05, -75.27) (   0.94, -71.45)  436.18                80