Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 3 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 03/15/2023   18:57:49   (   0.07, -75.20) (   0.36, -73.83)  155.58                80
 03/17/2023   07:20:12   (  -0.06, -75.20) (   0.87, -79.21)  458.61                80
 03/18/2023   06:59:10   (  -0.06, -75.20) (  -0.16, -74.77)   48.89                80
 03/20/2023   19:05:58   (   0.05, -75.22) (  -0.09, -75.73)   59.31                80
 03/21/2023   18:44:56   (   0.05, -75.23) (   0.96, -71.29)  449.11                80
 03/23/2023   07:09:58   (  -0.05, -75.24) (   0.30, -76.67)  162.95                80
 03/24/2023   06:48:56   (  -0.05, -75.26) (  -0.75, -72.23)  345.76                80
 03/25/2023   19:14:06   (   0.04, -75.28) (  -0.51, -77.64)  269.15                80
 03/26/2023   18:53:04   (   0.05, -75.30) (   0.54, -73.20)  239.99                80
 03/28/2023   07:18:05   (  -0.04, -75.32) (   0.69, -78.58)  370.82                80