Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 3 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 03/21/2023   18:44:57   (   0.06, -75.19) (   0.96, -71.29)  445.07                80
 03/23/2023   07:09:59   (  -0.06, -75.20) (   0.25, -76.68)  168.53                80
 03/24/2023   06:48:57   (  -0.06, -75.20) (  -0.74, -72.23)  338.82                80
 03/25/2023   19:14:07   (   0.06, -75.20) (  -0.49, -77.64)  278.75                80
 03/26/2023   18:53:05   (   0.06, -75.20) (   0.50, -73.19)  228.93                80
 03/28/2023   07:18:06   (  -0.05, -75.21) (   0.74, -78.57)  383.52                80
 03/29/2023   06:57:04   (  -0.05, -75.22) (  -0.32, -74.13)  124.50                80
 03/30/2023   19:22:14   (   0.04, -75.22) (  -0.95, -79.53)  492.12                80
 03/31/2023   19:03:51   (   0.04, -75.23) (   0.05, -75.08)   16.57                80
 04/03/2023   07:07:50   (  -0.03, -75.27) (   0.16, -76.01)   85.59                80