Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 12 26.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 12/26/2023   22:03:49   (  -0.06,  61.25) (  -0.52,  63.28)  231.50                80
 12/28/2023   10:26:11   (   0.07,  61.38) (  -0.72,  57.91)  396.58                80
 12/29/2023   10:10:24   (   0.06,  61.39) (   0.29,  62.38)  112.71                80
 12/30/2023   22:32:37   (  -0.07,  61.29) (   0.89,  57.03)  485.48                80
 12/31/2023   22:11:29   (  -0.06,  61.31) (  -0.12,  61.51)   23.29                80
 01/03/2024   10:15:23   (   0.07,  61.46) (  -0.14,  60.62)   96.85                80
 01/04/2024   09:59:36   (   0.06,  61.48) (   0.88,  65.09)  412.20                80
 01/05/2024   22:21:49   (  -0.07,  61.38) (   0.29,  59.74)  186.00                80
 01/06/2024   22:00:41   (  -0.06,  61.40) (  -0.68,  64.23)  322.21                80
 01/08/2024   10:23:03   (   0.06,  61.56) (  -0.53,  58.85)  308.54                80