Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 9 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 09/25/2023   07:39:34   (  -0.27, 103.11) (  -1.24,  98.76)  495.91                80
 09/26/2023   07:18:33   (  -0.29, 102.06) (  -0.05, 103.18)  127.48                80
 09/27/2023   19:43:37   (   0.26, 100.44) (   0.90,  97.73)  309.88                80
 09/28/2023   19:22:36   (   0.28,  99.39) (  -0.34, 102.14)  313.20                80
 09/30/2023   07:47:50   (  -0.26,  97.76) (  -0.49,  96.65)  125.64                80
 10/01/2023   07:26:48   (  -0.28,  96.69) (   0.70, 101.07)  499.11                80
 10/02/2023   19:49:12   (   0.26,  95.07) (   0.14,  95.62)   63.34                80
 10/04/2023   08:14:26   (  -0.23,  93.44) (  -0.96,  90.14)  376.00                80
 10/05/2023   07:53:24   (  -0.25,  92.37) (   0.24,  94.55)  249.16                80
 10/06/2023   20:18:29   (   0.22,  90.72) (   0.60,  89.11)  184.57                80
 10/07/2023   19:57:28   (   0.24,  89.66) (  -0.66,  93.51)  439.84                80