Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 9 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 09/28/2023   19:22:36   (   0.28,  99.40) (  -0.34, 102.14)  312.04                80
 09/30/2023   07:47:49   (  -0.26,  97.77) (  -0.50,  96.65)  126.59                80
 10/01/2023   07:26:48   (  -0.28,  96.70) (   0.69, 101.07)  497.92                80
 10/02/2023   19:49:12   (   0.26,  95.09) (   0.15,  95.63)   61.13                80
 10/04/2023   08:14:26   (  -0.23,  93.46) (  -0.97,  90.14)  378.08                80
 10/05/2023   07:53:24   (  -0.25,  92.39) (   0.23,  94.56)  246.84                80
 10/06/2023   20:18:28   (   0.22,  90.75) (   0.61,  89.11)  187.85                80
 10/07/2023   19:57:27   (   0.24,  89.69) (  -0.59,  93.53)  436.27                80
 10/09/2023   08:22:40   (  -0.21,  88.06) (  -0.20,  88.03)    2.84                80
 10/10/2023   20:45:04   (   0.18,  86.40) (   1.04,  82.59)  434.37                80
 10/11/2023   20:24:03   (   0.21,  85.33) (  -0.17,  87.00)  190.53                80