Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2022 12 22.  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   18:59:16   (   0.02, -75.19) (  -0.11, -75.80)   69.56                80
 12/24/2022   18:43:36   (   0.02, -75.19) (   0.88, -71.36)  436.60                80
 12/26/2022   07:03:23   (  -0.02, -75.19) (   0.31, -76.77)  179.30                80
 12/27/2022   06:47:43   (  -0.02, -75.20) (  -0.69, -72.33)  327.27                80
 12/28/2022   19:07:38   (   0.03, -75.21) (  -0.53, -77.77)  291.33                80
 12/29/2022   18:51:59   (   0.02, -75.23) (   0.47, -73.34)  215.93                80
 12/31/2022   07:14:24   (  -0.03, -75.24) (   0.77, -78.73)  397.98                80
 01/01/2023   06:53:25   (  -0.02, -75.26) (  -0.23, -74.30)  109.66                80
 01/03/2023   19:00:21   (   0.01, -75.30) (   0.03, -75.30)    2.36                80