Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 12 24.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 12/24/2023   10:02:42   (   0.06,  61.33) (   0.67,  64.16)  321.50                80
 12/25/2023   22:24:56   (  -0.07,  61.24) (   0.47,  58.80)  277.55                80
 12/26/2023   22:03:49   (  -0.06,  61.25) (  -0.54,  63.28)  231.28                80
 12/28/2023   10:26:11   (   0.07,  61.39) (  -0.70,  57.90)  396.97                80
 12/29/2023   10:10:23   (   0.06,  61.40) (   0.25,  62.39)  112.33                80
 12/30/2023   22:32:37   (  -0.07,  61.30) (   0.88,  57.03)  485.91                80
 12/31/2023   22:11:29   (  -0.06,  61.31) (  -0.08,  61.52)   22.92                80
 01/03/2024   10:15:24   (   0.07,  61.47) (  -0.12,  60.61)   97.43                80
 01/04/2024   09:59:36   (   0.06,  61.48) (   0.91,  65.08)  411.58                80
 01/05/2024   22:21:48   (  -0.07,  61.38) (   0.32,  59.75)  186.65                80
 01/06/2024   22:00:41   (  -0.06,  61.41) (  -0.71,  64.22)  321.55                80