Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 6 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)
 06/14/2022   22:54:13   (  -0.02,-137.18) (   0.10,-136.56)   70.81                80
 06/17/2022   11:00:48   (   0.01,-137.17) (   0.09,-137.48)   35.97                80
 06/18/2022   10:39:43   (   0.01,-137.16) (  -0.91,-133.03)  470.98                80
 06/19/2022   23:04:49   (  -0.02,-137.14) (  -0.31,-138.43)  147.54                80
 06/20/2022   22:43:45   (  -0.02,-137.13) (   0.69,-133.98)  359.48                80
 06/22/2022   11:08:44   (   0.02,-137.12) (   0.50,-139.36)  254.49                80
 06/23/2022   10:47:40   (   0.01,-137.11) (  -0.51,-134.90)  252.21                80
 06/24/2022   23:12:45   (  -0.02,-137.08) (  -0.77,-140.30)  367.33                80
 06/25/2022   22:51:41   (  -0.01,-137.07) (   0.24,-135.84)  139.00                80
 06/27/2022   11:16:40   (   0.00,-137.05) (   0.95,-141.23)  476.28                80