Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2022 12 23.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 12/23/2022   18:59:15   (   0.03, -75.19) (  -0.13, -75.80)   69.45                80
 12/24/2022   18:43:36   (   0.02, -75.19) (   0.86, -71.36)  436.81                80
 12/26/2022   07:03:22   (  -0.02, -75.20) (   0.32, -76.77)  179.08                80
 12/27/2022   06:47:43   (  -0.02, -75.20) (  -0.67, -72.33)  327.50                80
 12/28/2022   19:07:38   (   0.03, -75.22) (  -0.55, -77.77)  290.91                80
 12/29/2022   18:51:59   (   0.02, -75.23) (   0.44, -73.33)  216.39                80
 12/31/2022   07:14:25   (  -0.03, -75.25) (   0.73, -78.74)  397.55                80
 01/01/2023   06:53:44   (  -0.02, -75.26) (  -0.26, -74.30)  110.19                61
 01/03/2023   18:57:40   (   0.01, -75.31) (  -0.00, -75.29)    1.68                80