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

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 12/15/2023   22:06:52   (  -0.05,  61.19) (  -0.32,  62.36)  133.52                80
 12/17/2023   10:29:16   (   0.07,  61.30) (  -0.89,  56.97)  492.74                80
 12/18/2023   10:13:28   (   0.06,  61.30) (   0.10,  61.45)   16.90                80
 12/20/2023   22:17:15   (  -0.07,  61.22) (   0.07,  60.57)   73.48                80
 12/21/2023   21:56:08   (  -0.06,  61.23) (  -0.92,  65.05)  435.47                80
 12/23/2023   10:18:30   (   0.07,  61.36) (  -0.34,  59.68)  191.73                80
 12/24/2023   10:02:43   (   0.06,  61.37) (   0.72,  64.14)  317.49                80
 12/25/2023   22:24:57   (  -0.07,  61.28) (   0.50,  58.80)  282.21                80
 12/26/2023   22:03:49   (  -0.05,  61.29) (  -0.50,  63.28)  226.20                80
 12/28/2023   10:26:12   (   0.06,  61.43) (  -0.75,  57.91)  402.76                80