Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2022 12 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 12/28/2022   19:07:38   (   0.04, -75.18) (  -0.54, -77.77)  295.32                80
 12/29/2022   18:51:59   (   0.04, -75.18) (   0.45, -73.33)  210.98                80
 12/31/2022   07:11:44   (  -0.04, -75.19) (   0.79, -78.73)  404.15                80
 01/01/2023   06:56:06   (  -0.04, -75.20) (  -0.27, -74.30)  102.59                80
 01/03/2023   18:57:41   (   0.03, -75.21) (  -0.01, -75.29)    9.68                80
 01/04/2023   18:42:01   (   0.02, -75.22) (   0.99, -70.85)  497.69                80
 01/06/2023   07:04:27   (  -0.01, -75.24) (   0.19, -76.26)  116.29                80
 01/07/2023   06:43:28   (  -0.01, -75.25) (  -0.81, -71.83)  391.08                80
 01/08/2023   19:06:02   (   0.01, -75.27) (  -0.45, -77.26)  226.84                80
 01/09/2023   18:50:23   (   0.00, -75.28) (   0.55, -72.82)  280.97                80