Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 11 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 11/18/2023   22:05:01   (   0.02,  61.62) (  -0.13,  62.39)   87.19                80
 11/21/2023   10:08:59   (  -0.00,  61.61) (  -0.04,  61.47)   16.60                80
 11/22/2023   09:53:12   (  -0.02,  61.58) (   0.96,  65.94)  496.64                80
 11/23/2023   22:15:28   (  -0.01,  61.48) (   0.20,  60.58)  102.74                80
 11/24/2023   21:54:22   (   0.01,  61.46) (  -0.80,  65.05)  409.73                80
 11/26/2023   10:16:46   (   0.02,  61.49) (  -0.37,  59.66)  208.43                80
 11/27/2023   10:00:59   (   0.00,  61.46) (   0.58,  64.14)  304.37                80
 11/28/2023   22:23:15   (  -0.03,  61.35) (   0.57,  58.77)  294.48                80
 11/29/2023   22:02:09   (  -0.01,  61.34) (  -0.44,  63.24)  217.38                80
 12/01/2023   10:24:32   (   0.03,  61.39) (  -0.78,  57.86)  402.85                80