Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 8 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 08/12/2023   04:26:29   (  -0.44, 149.01) (  -1.02, 146.33)  305.17                80
 08/13/2023   04:05:30   (  -0.42, 148.00) (   0.22, 150.73)  312.53                80
 08/14/2023   16:30:34   (   0.43, 146.48) (   0.70, 145.29)  135.11                80
 08/15/2023   16:09:35   (   0.42, 145.47) (  -0.54, 149.70)  482.52                80
 08/17/2023   04:32:09   (  -0.42, 143.86) (  -0.36, 144.21)   39.99                80
 08/18/2023   16:57:14   (   0.43, 142.33) (   1.21, 138.76)  405.75                80
 08/19/2023   16:36:14   (   0.42, 141.31) (   0.02, 143.18)  212.79                80
 08/21/2023   05:01:29   (  -0.42, 139.70) (  -0.86, 137.68)  229.37                80
 08/22/2023   04:40:29   (  -0.42, 138.67) (   0.33, 142.10)  390.13                80
 08/23/2023   17:05:34   (   0.42, 137.13) (   0.51, 136.65)   54.64                80