Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 12 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 12/19/2023   07:22:20   (  -0.03, -75.21) (   0.06, -75.72)   57.83                80
 12/20/2023   07:01:12   (  -0.02, -75.21) (  -0.93, -71.25)  452.20                80
 12/21/2023   19:23:35   (   0.03, -75.21) (  -0.27, -76.63)  161.25                80
 12/22/2023   19:07:48   (   0.02, -75.21) (   0.73, -72.16)  349.29                80
 12/24/2023   07:30:01   (  -0.02, -75.22) (   0.48, -77.50)  259.20                80
 12/25/2023   07:08:54   (  -0.01, -75.22) (  -0.52, -73.02)  251.45                80
 12/26/2023   19:31:16   (   0.00, -75.23) (  -0.73, -78.39)  361.36                80
 12/27/2023   19:15:29   (  -0.00, -75.23) (   0.28, -73.92)  149.74                80
 12/29/2023   07:37:42   (   0.01, -75.25) (   0.92, -79.26)  457.34                80
 12/30/2023   07:16:34   (   0.01, -75.26) (  -0.09, -74.79)   54.03                80
 01/01/2024   19:20:30   (  -0.01, -75.30) (  -0.07, -75.70)   45.73                80