Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2022 12 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 12/20/2022   07:13:19   (  -0.03, -75.19) (   0.86, -79.24)  461.69                80
 12/21/2022   06:57:40   (  -0.03, -75.19) (  -0.12, -74.80)   44.16                80
 12/23/2022   18:59:16   (   0.02, -75.19) (  -0.12, -75.80)   70.14                80
 12/24/2022   18:43:36   (   0.01, -75.19) (   0.87, -71.36)  435.86                80
 12/26/2022   07:03:21   (  -0.01, -75.18) (   0.37, -76.76)  180.14                80
 12/27/2022   06:47:43   (  -0.01, -75.19) (  -0.68, -72.33)  326.25                80
 12/28/2022   19:07:38   (   0.01, -75.20) (  -0.54, -77.77)  292.74                80
 12/29/2022   18:51:59   (   0.01, -75.21) (   0.46, -73.34)  214.36                80
 12/31/2022   07:14:24   (  -0.01, -75.23) (   0.78, -78.73)  399.65                80
 01/01/2023   06:53:25   (  -0.01, -75.24) (  -0.22, -74.29)  107.79                80