Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 9 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 09/05/2023   18:58:28   (  -0.07, -75.21) (   0.74, -71.57)  414.78                80
 09/07/2023   07:20:47   (   0.06, -75.21) (   0.43, -76.95)  197.63                80
 09/08/2023   06:59:42   (   0.06, -75.21) (  -0.55, -72.48)  310.98                80
 09/09/2023   19:22:11   (  -0.05, -75.23) (  -0.67, -77.89)  304.22                80
 09/10/2023   19:06:27   (  -0.04, -75.23) (   0.37, -73.44)  204.89                80
 09/12/2023   07:28:46   (   0.03, -75.24) (   0.85, -78.80)  406.17                80
 09/13/2023   07:07:42   (   0.03, -75.25) (  -0.19, -74.35)  103.40                80
 09/15/2023   19:14:26   (  -0.03, -75.30) (  -0.01, -75.30)    1.30                80
 09/18/2023   07:18:20   (   0.03, -75.34) (   0.25, -76.20)   99.21                80