Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 1 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 01/14/2023   18:58:44   (   0.05, -75.19) (   0.16, -74.78)   47.60                80
 01/17/2023   07:02:49   (  -0.04, -75.20) (   0.10, -75.73)   60.78                80
 01/18/2023   06:41:49   (  -0.03, -75.21) (  -0.92, -71.30)  445.96                80
 01/19/2023   19:04:23   (   0.02, -75.21) (  -0.30, -76.73)  172.66                80
 01/20/2023   18:48:43   (   0.02, -75.22) (   0.66, -72.28)  334.34                80
 01/22/2023   07:11:08   (  -0.01, -75.23) (   0.56, -77.68)  280.01                80
 01/23/2023   06:50:09   (  -0.01, -75.24) (  -0.47, -73.25)  227.17                80
 01/24/2023   19:12:43   (   0.02, -75.26) (  -0.73, -78.69)  390.76                80
 01/25/2023   18:57:03   (   0.02, -75.27) (   0.24, -74.24)  117.15                80
 01/27/2023   07:19:28   (  -0.02, -75.30) (   0.98, -79.64)  495.37                80