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

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 08/08/2023   03:59:49   (  -0.44, 153.15) (  -0.49, 152.86)   32.84                80
 08/09/2023   16:22:13   (   0.45, 151.70) (   1.43, 147.42)  488.28                80
 08/10/2023   16:01:14   (   0.43, 150.74) (   0.20, 151.82)  123.74                80
 08/12/2023   04:26:28   (  -0.44, 149.21) (  -1.09, 146.34)  327.48                80
 08/13/2023   04:05:28   (  -0.42, 148.24) (   0.15, 150.75)  285.59                80
 08/14/2023   16:30:33   (   0.43, 146.79) (   0.78, 145.31)  168.70                80
 08/15/2023   16:09:33   (   0.42, 145.82) (  -0.47, 149.71)  444.13                80
 08/17/2023   04:34:48   (  -0.42, 144.29) (  -0.42, 144.23)    6.39                80
 08/18/2023   16:57:12   (   0.43, 142.81) (   1.33, 138.79)  458.41                80
 08/19/2023   16:36:11   (   0.42, 141.84) (   0.14, 143.21)  155.33                80
 08/21/2023   05:01:26   (  -0.42, 140.31) (  -1.03, 137.72)  295.00                80