Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 8 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 08/15/2023   09:25:46   (  -0.04,-104.71) (   0.79,-108.48)  429.28                80
 08/16/2023   09:04:43   (  -0.04,-104.72) (  -0.22,-104.03)   79.47                80
 08/18/2023   21:08:48   (   0.05,-104.71) (  -0.02,-104.97)   29.69                80
 08/19/2023   20:53:04   (   0.05,-104.72) (   0.99,-100.52)  479.52                80
 08/21/2023   09:15:24   (  -0.05,-104.76) (   0.21,-105.89)  128.50                80
 08/22/2023   08:54:20   (  -0.05,-104.77) (  -0.81,-101.44)  380.37                80
 08/23/2023   21:16:48   (   0.05,-104.75) (  -0.43,-106.84)  238.36                80
 08/24/2023   21:01:05   (   0.05,-104.76) (   0.58,-102.39)  270.42                80
 08/26/2023   09:23:24   (  -0.06,-104.79) (   0.61,-107.76)  338.05                80
 08/27/2023   09:02:21   (  -0.06,-104.80) (  -0.41,-103.31)  170.23                80