Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 7 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)
 07/09/2023   14:10:37   (  -0.32,-177.06) (   0.39, 179.70)  367.93                80
 07/10/2023   13:49:38   (  -0.30,-178.08) (  -0.81,-175.89)  250.64                80
 07/12/2023   02:14:53   (   0.33,-179.65) (  -0.04, 178.62)  196.75                80
 07/13/2023   01:53:54   (   0.31, 179.34) (   1.17,-176.97)  421.68                80
 07/14/2023   14:19:01   (  -0.34, 177.78) (  -0.31, 177.57)   24.10                80
 07/16/2023   02:41:35   (   0.37, 176.23) (  -0.59, 172.09)  472.63                80
 07/17/2023   02:20:36   (   0.35, 175.21) (   0.62, 176.49)  145.41                80
 07/18/2023   14:45:43   (  -0.39, 173.66) (   0.22, 171.03)  300.22                80
 07/19/2023   14:24:44   (  -0.36, 172.65) (  -0.99, 175.44)  317.53                80
 07/21/2023   02:49:59   (   0.39, 171.10) (   0.15, 169.94)  131.05                80
 07/22/2023   02:29:00   (   0.37, 170.09) (   1.36, 174.35)  487.02                80