Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 9 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)
 09/08/2023   06:59:43   (   0.06, -75.21) (  -0.56, -72.48)  310.39                80
 09/09/2023   19:22:11   (  -0.05, -75.22) (  -0.65, -77.89)  304.53                80
 09/10/2023   19:06:27   (  -0.05, -75.23) (   0.39, -73.44)  204.43                80
 09/12/2023   07:28:46   (   0.04, -75.23) (   0.83, -78.81)  407.41                80
 09/13/2023   07:07:41   (   0.03, -75.24) (  -0.15, -74.34)  101.98                80
 09/15/2023   19:11:45   (  -0.03, -75.28) (  -0.06, -75.29)    3.17                80
 09/18/2023   07:18:20   (   0.03, -75.31) (   0.22, -76.20)  101.39                80
 09/19/2023   06:57:15   (   0.03, -75.33) (  -0.77, -71.74)  408.85                80
 09/20/2023   19:19:44   (  -0.03, -75.36) (  -0.40, -77.15)  203.80                80
 09/21/2023   19:03:59   (  -0.03, -75.38) (   0.60, -72.69)  306.54                80