Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 8 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 08/17/2023   04:32:09   (  -0.43, 143.88) (  -0.37, 144.22)   38.04                80
 08/18/2023   16:57:14   (   0.43, 142.36) (   1.22, 138.77)  408.93                80
 08/19/2023   16:36:14   (   0.42, 141.34) (   0.03, 143.18)  209.15                80
 08/21/2023   05:01:29   (  -0.43, 139.74) (  -0.86, 137.69)  233.21                80
 08/22/2023   04:40:28   (  -0.42, 138.72) (   0.33, 142.10)  385.84                80
 08/23/2023   17:05:34   (   0.42, 137.18) (   0.52, 136.65)   60.18                80
 08/26/2023   05:07:07   (  -0.41, 134.56) (  -0.21, 135.58)  115.94                80
 08/27/2023   17:32:13   (   0.40, 133.02) (   1.04, 130.13)  329.04                80
 08/28/2023   17:11:12   (   0.40, 131.99) (  -0.16, 134.54)  289.89                80