Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 4 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/19/2022   10:44:03   (  -0.03,-137.19) (  -0.63,-134.61)  294.24                80
 04/20/2022   23:09:11   (   0.03,-137.18) (  -0.63,-140.02)  324.44                80
 04/21/2022   22:48:08   (   0.03,-137.17) (   0.38,-135.57)  182.61                80
 04/23/2022   11:13:07   (  -0.02,-137.17) (   0.81,-140.96)  431.21                80
 04/24/2022   10:52:03   (  -0.02,-137.16) (  -0.14,-136.49)   75.61                80
 04/26/2022   22:58:48   (   0.01,-137.14) (  -0.08,-137.46)   37.13                80
 04/27/2022   22:40:24   (   0.01,-137.13) (   0.93,-133.01)  469.68                80
 04/29/2022   11:02:43   (  -0.01,-137.12) (   0.27,-138.39)  144.67                80
 04/30/2022   10:41:40   (  -0.01,-137.11) (  -0.75,-133.94)  361.69                80
 05/01/2022   23:04:08   (   0.01,-137.08) (  -0.47,-139.36)  258.66                80
 05/02/2022   22:48:24   (   0.01,-137.07) (   0.49,-134.90)  247.36                80