Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2022 12 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 12/16/2022   06:49:16   (  -0.03, -75.19) (  -0.54, -72.83)  268.44                80
 12/17/2022   19:09:13   (   0.03, -75.19) (  -0.64, -78.28)  351.20                80
 12/18/2022   18:53:33   (   0.03, -75.20) (   0.34, -73.84)  155.34                80
 12/20/2022   07:13:20   (  -0.03, -75.21) (   0.86, -79.24)  459.89                80
 12/21/2022   06:57:40   (  -0.02, -75.21) (  -0.13, -74.80)   46.64                80
 12/23/2022   18:59:16   (   0.01, -75.22) (  -0.12, -75.80)   66.29                80
 12/24/2022   18:43:36   (   0.00, -75.23) (   0.87, -71.36)  440.40                80
 12/26/2022   07:06:03   (  -0.00, -75.24) (   0.32, -76.77)  174.21                80
 12/27/2022   06:45:03   (   0.00, -75.25) (  -0.67, -72.33)  332.80                80
 12/28/2022   19:07:39   (   0.00, -75.27) (  -0.55, -77.77)  285.48                80
 12/29/2022   18:51:59   (   0.00, -75.29) (   0.44, -73.34)  222.25                80