Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 9 26.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 09/26/2023   07:18:33   (  -0.29, 102.06) (  -0.04, 103.17)  127.48                80
 09/27/2023   19:43:37   (   0.26, 100.44) (   0.89,  97.73)  309.97                80
 09/28/2023   19:22:37   (   0.28,  99.39) (  -0.36, 102.13)  313.10                80
 09/30/2023   07:47:49   (  -0.26,  97.76) (  -0.54,  96.66)  125.66                80
 10/01/2023   07:26:48   (  -0.28,  96.69) (   0.72, 101.07)  499.13                80
 10/02/2023   19:49:13   (   0.26,  95.07) (   0.12,  95.62)   63.26                80
 10/04/2023   08:14:25   (  -0.23,  93.44) (  -1.00,  90.14)  375.98                80
 10/05/2023   07:53:24   (  -0.25,  92.37) (   0.26,  94.55)  249.21                80
 10/06/2023   20:18:29   (   0.22,  90.72) (   0.58,  89.10)  184.62                80
 10/07/2023   19:57:27   (   0.24,  89.66) (  -0.63,  93.52)  439.79                80
 10/09/2023   08:20:00   (  -0.22,  88.03) (  -0.22,  88.04)    1.56                80