Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 10 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)
 10/19/2023   21:19:49   (   0.15,  76.82) (   0.77,  74.01)  320.11                80
 10/20/2023   20:58:47   (   0.17,  75.77) (  -0.41,  78.43)  303.23                80
 10/22/2023   09:23:58   (  -0.14,  74.16) (  -0.43,  72.96)  138.24                80
 10/23/2023   09:02:57   (  -0.16,  73.10) (   0.82,  77.37)  486.43                80
 10/24/2023   21:25:20   (   0.13,  71.46) (   0.04,  71.93)   52.71                80
 10/26/2023   09:50:31   (  -0.10,  69.87) (  -0.86,  66.45)  389.65                80
 10/27/2023   09:29:29   (  -0.13,  68.81) (   0.34,  70.87)  235.39                80
 10/28/2023   21:54:32   (   0.10,  67.15) (   0.51,  65.43)  196.45                80
 10/29/2023   21:33:30   (   0.13,  66.10) (  -0.69,  69.85)  427.21                80
 10/31/2023   09:58:41   (  -0.10,  64.51) (  -0.11,  64.37)   15.98                80