Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 5 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)
 05/15/2023   09:17:17   (  -0.00,-104.73) (   0.65,-107.71)  339.83                80
 05/16/2023   08:56:12   (  -0.00,-104.73) (  -0.31,-103.25)  168.45                80
 05/17/2023   21:18:40   (  -0.00,-104.72) (  -0.92,-108.65)  448.66                80
 05/18/2023   21:02:57   (  -0.00,-104.73) (   0.10,-104.20)   59.99                80
 05/21/2023   09:06:53   (   0.01,-104.74) (   0.07,-105.12)   42.41                80
 05/22/2023   08:45:48   (   0.01,-104.74) (  -0.89,-100.65)  465.86                80
 05/23/2023   21:08:17   (  -0.01,-104.74) (  -0.31,-106.06)  151.51                80
 05/24/2023   20:52:33   (  -0.01,-104.74) (   0.72,-101.61)  357.13                80
 05/26/2023   09:14:51   (   0.00,-104.76) (   0.53,-106.97)  253.13                80
 05/27/2023   08:53:48   (   0.00,-104.76) (  -0.50,-102.52)  255.37                80