Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 12 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 12/22/2023   19:07:48   (   0.03, -75.21) (   0.74, -72.16)  349.00                80
 12/24/2023   07:30:01   (  -0.03, -75.22) (   0.47, -77.50)  259.44                80
 12/25/2023   07:08:54   (  -0.02, -75.22) (  -0.53, -73.02)  251.16                80
 12/26/2023   19:31:16   (   0.01, -75.22) (  -0.71, -78.39)  361.89                80
 12/27/2023   19:15:29   (   0.01, -75.23) (   0.30, -73.92)  149.19                80
 12/29/2023   07:37:42   (  -0.00, -75.25) (   0.90, -79.26)  457.74                80
 12/30/2023   07:16:34   (   0.00, -75.26) (  -0.11, -74.79)   53.62                80
 01/01/2024   19:20:29   (  -0.00, -75.29) (  -0.10, -75.69)   46.32                80
 01/02/2024   19:04:42   (  -0.00, -75.31) (   0.92, -71.22)  465.88                80
 01/04/2024   07:26:55   (   0.00, -75.34) (   0.26, -76.56)  139.20                80