Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 1 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 01/25/2023   18:57:02   (   0.06, -75.18) (   0.30, -74.25)  107.53                80
 01/28/2023   07:01:07   (  -0.05, -75.19) (  -0.08, -75.20)    3.17                80
 01/30/2023   19:02:40   (   0.05, -75.21) (  -0.15, -76.19)  111.64                80
 01/31/2023   18:46:59   (   0.04, -75.21) (   0.84, -71.75)  395.75                80
 02/02/2023   07:09:24   (  -0.04, -75.23) (   0.41, -77.13)  218.03                80
 02/03/2023   06:48:23   (  -0.03, -75.24) (  -0.58, -72.69)  289.57                80
 02/04/2023   19:10:57   (   0.03, -75.25) (  -0.61, -78.13)  327.47                80
 02/05/2023   18:52:36   (   0.02, -75.27) (   0.39, -73.69)  180.86                80
 02/07/2023   07:17:40   (  -0.00, -75.29) (   0.85, -79.08)  431.19                80