Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 7 24.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 07/26/2023   07:09:10   (   0.00, -75.21) (   0.08, -75.41)   23.42                80
 07/27/2023   06:50:48   (  -0.02, -75.21) (  -0.97, -70.96)  484.20                80
 07/28/2023   19:13:17   (   0.01, -75.21) (  -0.23, -76.37)  132.64                80
 07/29/2023   18:57:34   (   0.01, -75.21) (   0.76, -71.92)  375.47                80
 07/31/2023   07:19:54   (  -0.00, -75.21) (   0.46, -77.29)  236.72                80
 08/01/2023   06:58:51   (  -0.00, -75.21) (  -0.54, -72.83)  271.51                80
 08/02/2023   19:21:20   (   0.00, -75.22) (  -0.66, -78.25)  344.83                80
 08/03/2023   19:05:36   (   0.00, -75.23) (   0.33, -73.79)  163.97                80
 08/05/2023   07:27:57   (  -0.00, -75.25) (   0.87, -79.17)  446.63                80
 08/06/2023   07:06:53   (  -0.00, -75.26) (  -0.13, -74.71)   62.65                80