Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 12 7.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 12/08/2023   07:25:20   (  -0.01, -75.21) (   0.34, -76.62)  161.93                80
 12/09/2023   07:04:13   (  -0.01, -75.21) (  -0.71, -72.15)  348.35                80
 12/10/2023   19:26:37   (   0.01, -75.21) (  -0.50, -77.54)  264.67                80
 12/11/2023   19:10:49   (   0.00, -75.22) (   0.48, -73.06)  245.81                80
 12/13/2023   07:33:04   (   0.00, -75.22) (   0.71, -78.41)  363.13                80
 12/14/2023   07:11:56   (   0.00, -75.22) (  -0.28, -73.93)  147.19                80
 12/15/2023   19:34:19   (  -0.00, -75.23) (  -0.92, -79.32)  465.92                80
 12/16/2023   19:18:32   (  -0.01, -75.24) (   0.07, -74.84)   44.83                80
 12/19/2023   07:22:19   (   0.00, -75.26) (   0.12, -75.71)   51.79                80
 12/20/2023   07:01:12   (   0.00, -75.27) (  -0.94, -71.25)  459.50                80