Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 5 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/15/2022   11:08:17   (  -0.01,-137.20) (   0.52,-139.59)  272.28                80
 05/16/2022   10:47:12   (  -0.01,-137.20) (  -0.45,-135.13)  234.96                80
 05/17/2022   23:12:20   (   0.01,-137.18) (  -0.78,-140.54)  383.98                80
 05/18/2022   22:51:16   (   0.01,-137.17) (   0.26,-136.10)  122.78                80
 05/20/2022   11:16:15   (  -0.01,-137.16) (   0.94,-141.48)  491.58                80
 05/21/2022   10:55:11   (  -0.01,-137.15) (  -0.04,-137.02)   14.86                80
 05/23/2022   22:59:14   (   0.00,-137.11) (  -0.19,-137.97)   98.36                80
 05/24/2022   22:43:29   (   0.00,-137.10) (   0.80,-133.51)  408.14                80
 05/26/2022   11:05:49   (  -0.00,-137.08) (   0.42,-138.89)  206.70                80
 05/27/2022   10:44:45   (  -0.00,-137.07) (  -0.63,-134.45)  299.47                80
 05/28/2022   23:07:12   (   0.00,-137.03) (  -0.62,-139.85)  321.05                80