Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 8 6.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 08/06/2023   15:34:35   (   0.42, 154.67) (  -0.41, 158.34)  417.89                80
 08/08/2023   03:59:49   (  -0.44, 153.14) (  -0.50, 152.86)   32.82                80
 08/09/2023   16:22:13   (   0.45, 151.69) (   1.44, 147.42)  487.39                80
 08/10/2023   16:01:14   (   0.43, 150.73) (   0.20, 151.82)  124.82                80
 08/12/2023   04:26:28   (  -0.44, 149.21) (  -1.09, 146.34)  326.74                80
 08/13/2023   04:05:28   (  -0.42, 148.23) (   0.15, 150.75)  286.50                80
 08/14/2023   16:30:33   (   0.43, 146.77) (   0.78, 145.31)  166.93                80
 08/15/2023   16:09:33   (   0.42, 145.80) (  -0.47, 149.71)  446.08                80
 08/17/2023   04:34:48   (  -0.42, 144.27) (  -0.42, 144.23)    4.69                80
 08/18/2023   16:57:12   (   0.42, 142.79) (   1.34, 138.79)  455.94                80
 08/19/2023   16:36:12   (   0.42, 141.81) (   0.09, 143.19)  157.97                80