Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 12 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 12/14/2023   22:28:00   (  -0.06,  61.18) (   0.68,  57.88)  375.74                80
 12/15/2023   22:06:52   (  -0.05,  61.19) (  -0.31,  62.36)  133.35                80
 12/17/2023   10:29:16   (   0.07,  61.30) (  -0.90,  56.97)  493.02                80
 12/18/2023   10:13:28   (   0.06,  61.31) (   0.09,  61.45)   16.50                80
 12/20/2023   22:17:15   (  -0.07,  61.22) (   0.09,  60.58)   74.04                80
 12/21/2023   21:56:07   (  -0.06,  61.24) (  -0.91,  65.05)  434.85                80
 12/23/2023   10:18:31   (   0.07,  61.36) (  -0.29,  59.67)  192.46                80
 12/24/2023   10:02:43   (   0.06,  61.37) (   0.70,  64.15)  316.66                80
 12/25/2023   22:24:57   (  -0.07,  61.28) (   0.52,  58.81)  283.16                80
 12/26/2023   22:03:49   (  -0.05,  61.30) (  -0.48,  63.28)  225.20                80