Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 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)
 08/15/2022   11:14:12   (   0.07,-137.32) (   0.74,-140.17)  326.07                80
 08/16/2022   10:53:08   (   0.07,-137.32) (  -0.30,-135.72)  182.15                80
 08/17/2022   23:15:34   (  -0.07,-137.31) (  -0.95,-141.12)  435.74                80
 08/18/2022   22:59:50   (  -0.07,-137.30) (   0.09,-136.67)   72.11                80
 08/21/2022   11:03:42   (   0.06,-137.29) (   0.12,-137.58)   33.19                80
 08/22/2022   10:42:36   (   0.06,-137.28) (  -0.86,-133.12)  473.95                80
 08/23/2022   23:05:03   (  -0.05,-137.26) (  -0.32,-138.54)  145.61                80
 08/24/2022   22:49:18   (  -0.05,-137.24) (   0.66,-134.07)  361.27                80
 08/26/2022   11:08:55   (   0.04,-137.23) (   0.52,-139.45)  252.69                80
 08/27/2022   10:53:10   (   0.03,-137.21) (  -0.46,-134.98)  253.92                80