Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 8 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 08/13/2022   22:51:56   (  -0.06,-137.31) (   0.50,-134.81)  285.11                80
 08/15/2022   11:14:13   (   0.06,-137.32) (   0.68,-140.18)  325.80                80
 08/16/2022   10:53:08   (   0.06,-137.32) (  -0.29,-135.72)  182.60                80
 08/17/2022   23:15:35   (  -0.06,-137.31) (  -0.90,-141.14)  435.30                80
 08/18/2022   22:59:50   (  -0.06,-137.31) (   0.08,-136.67)   72.73                80
 08/21/2022   11:01:02   (   0.05,-137.31) (   0.12,-137.58)   31.87                80
 08/22/2022   10:42:37   (   0.05,-137.30) (  -0.91,-133.13)  475.46                80
 08/23/2022   23:05:03   (  -0.04,-137.27) (  -0.33,-138.54)  144.11                80
 08/24/2022   22:49:18   (  -0.03,-137.26) (   0.66,-134.07)  362.91                80
 08/26/2022   11:08:55   (   0.02,-137.25) (   0.53,-139.45)  250.60                80