Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 8 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 08/09/2023   18:55:14   (  -0.03, -75.21) (   0.89, -71.19)  458.14                80
 08/11/2023   07:17:34   (   0.03, -75.20) (   0.34, -76.56)  154.93                80
 08/12/2023   06:59:11   (  -0.00, -75.20) (  -0.73, -72.12)  352.56                80
 08/13/2023   19:19:00   (   0.02, -75.21) (  -0.52, -77.52)  263.41                80
 08/14/2023   19:03:16   (   0.01, -75.22) (   0.49, -73.06)  245.42                80
 08/16/2023   07:25:35   (  -0.01, -75.23) (   0.72, -78.44)  365.93                80
 08/17/2023   07:04:32   (  -0.01, -75.24) (  -0.29, -73.98)  143.30                80
 08/18/2023   19:27:00   (   0.01, -75.26) (  -0.96, -79.38)  470.97                80
 08/19/2023   19:11:17   (   0.00, -75.27) (   0.06, -74.93)   38.84                80
 08/22/2023   07:15:13   (  -0.00, -75.31) (   0.12, -75.85)   61.32                80