Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 8 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 08/12/2022   23:07:41   (  -0.07,-137.30) (  -0.52,-139.26)  224.47                80
 08/13/2022   22:51:56   (  -0.06,-137.29) (   0.52,-134.81)  283.34                80
 08/15/2022   11:14:13   (   0.06,-137.29) (   0.73,-140.17)  328.98                80
 08/16/2022   10:53:08   (   0.06,-137.29) (  -0.31,-135.72)  178.63                80
 08/17/2022   23:15:35   (  -0.06,-137.27) (  -0.95,-141.13)  440.28                80
 08/18/2022   22:59:50   (  -0.06,-137.26) (   0.09,-136.67)   66.97                80
 08/21/2022   11:01:02   (   0.05,-137.23) (   0.12,-137.58)   39.83                80
 08/22/2022   10:42:36   (   0.05,-137.22) (  -0.86,-133.12)  466.69                80
 08/23/2022   23:05:04   (  -0.04,-137.18) (  -0.33,-138.54)  153.92                80
 08/24/2022   22:49:18   (  -0.03,-137.17) (   0.65,-134.07)  352.31                80