Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 8 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 08/09/2023   16:22:14   (   0.45, 151.61) (   1.41, 147.42)  478.35                80
 08/10/2023   16:01:14   (   0.43, 150.60) (   0.17, 151.82)  138.71                80
 08/12/2023   04:26:28   (  -0.44, 149.00) (  -1.07, 146.34)  304.66                80
 08/13/2023   04:05:29   (  -0.42, 147.99) (   0.17, 150.74)  313.28                80
 08/14/2023   16:30:34   (   0.43, 146.46) (   0.69, 145.29)  133.71                80
 08/15/2023   16:09:35   (   0.42, 145.45) (  -0.55, 149.69)  484.16                80
 08/17/2023   04:32:09   (  -0.42, 143.85) (  -0.34, 144.21)   41.68                80
 08/18/2023   16:57:13   (   0.43, 142.30) (   1.25, 138.77)  403.38                80
 08/19/2023   16:36:14   (   0.42, 141.28) (   0.00, 143.17)  215.40                80
 08/21/2023   05:01:28   (  -0.42, 139.68) (  -0.89, 137.69)  226.65                80
 08/22/2023   04:40:29   (  -0.42, 138.65) (   0.36, 142.09)  393.09                80