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   (  -0.04, -75.19) (   0.90, -79.23)  461.47                80
 12/21/2022   06:57:40   (  -0.03, -75.19) (  -0.15, -74.81)   44.82                80
 12/23/2022   18:59:16   (   0.02, -75.20) (  -0.10, -75.81)   68.83                80
 12/24/2022   18:43:37   (   0.02, -75.20) (   0.89, -71.37)  437.55                80
 12/26/2022   07:03:22   (  -0.02, -75.21) (   0.35, -76.76)  177.81                80
 12/27/2022   06:47:43   (  -0.02, -75.22) (  -0.70, -72.34)  328.94                80
 12/28/2022   19:07:39   (   0.02, -75.23) (  -0.52, -77.78)  289.65                80
 12/29/2022   18:51:59   (   0.02, -75.24) (   0.47, -73.34)  217.82                80
 12/31/2022   07:14:25   (  -0.02, -75.27) (   0.77, -78.74)  395.57                80
 01/01/2023   06:53:25   (  -0.02, -75.28) (  -0.23, -74.30)  112.25                80