Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 6 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 06/02/2022   10:33:45   (  -0.01,-128.07) (   0.73,-131.43)  382.88                80
 06/03/2022   10:18:00   (   0.00,-128.09) (  -0.27,-126.97)  128.14                80
 06/04/2022   22:37:47   (   0.02,-128.12) (  -0.97,-132.38)  486.04                80
 06/05/2022   22:22:02   (   0.01,-128.15) (   0.03,-127.92)   25.19                80
 06/08/2022   10:23:18   (  -0.02,-128.21) (   0.11,-128.86)   73.08                80
 06/09/2022   10:07:33   (  -0.01,-128.24) (  -0.89,-124.40)  437.47                80
 06/10/2022   22:27:20   (   0.04,-128.25) (  -0.33,-129.81)  177.86                80
 06/11/2022   22:11:35   (   0.03,-128.27) (   0.68,-125.35)  332.36                80
 06/13/2022   10:31:16   (  -0.06,-128.31) (   0.47,-130.75)  278.01                80
 06/14/2022   10:15:30   (  -0.05,-128.32) (  -0.48,-126.28)  231.45                80