Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 8 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 08/12/2023   06:56:30   (   0.03, -75.21) (  -0.66, -72.10)  353.78                80
 08/13/2023   19:18:59   (  -0.03, -75.22) (  -0.53, -77.52)  261.59                80
 08/14/2023   19:03:16   (  -0.01, -75.23) (   0.47, -73.06)  246.64                80
 08/16/2023   07:25:35   (  -0.01, -75.23) (   0.74, -78.43)  365.57                80
 08/17/2023   07:04:32   (  -0.01, -75.24) (  -0.27, -73.98)  143.72                80
 08/18/2023   19:27:01   (   0.01, -75.27) (  -0.92, -79.39)  470.12                80
 08/19/2023   19:11:18   (   0.00, -75.28) (   0.09, -74.94)   39.68                80
 08/22/2023   07:15:13   (  -0.00, -75.31) (   0.09, -75.85)   60.89                80
 08/23/2023   06:54:09   (  -0.00, -75.33) (  -0.86, -71.39)  449.06                80
 08/24/2023   19:16:38   (   0.01, -75.36) (  -0.31, -76.80)  164.28                80
 08/25/2023   19:00:55   (   0.00, -75.38) (   0.71, -72.35)  345.72                80