Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2022 12 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 12/18/2022   18:53:33   (   0.03, -75.20) (   0.36, -73.84)  155.70                80
 12/20/2022   07:13:19   (  -0.03, -75.21) (   0.89, -79.24)  459.71                80
 12/21/2022   06:54:59   (  -0.02, -75.21) (  -0.09, -74.80)   46.97                80
 12/23/2022   18:59:16   (   0.01, -75.23) (  -0.09, -75.81)   65.48                80
 12/24/2022   18:43:37   (   0.01, -75.24) (   0.90, -71.37)  441.37                80
 12/26/2022   07:06:02   (  -0.01, -75.25) (   0.35, -76.76)  173.40                80
 12/27/2022   06:45:03   (  -0.01, -75.26) (  -0.65, -72.33)  333.73                80
 12/28/2022   19:07:38   (   0.01, -75.28) (  -0.57, -77.77)  284.09                80
 12/29/2022   18:51:59   (   0.01, -75.30) (   0.48, -73.34)  223.80                80
 12/31/2022   07:14:25   (  -0.01, -75.33) (   0.76, -78.74)  388.98                80