Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 6 2.  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) (   0.72,-131.43)  382.90                80
 06/03/2022   10:18:00   (   0.00,-128.09) (  -0.27,-126.97)  128.10                80
 06/04/2022   22:37:47   (   0.02,-128.12) (  -0.96,-132.38)  486.10                80
 06/05/2022   22:22:02   (   0.01,-128.15) (   0.03,-127.92)   25.11                80
 06/08/2022   10:23:18   (  -0.02,-128.21) (   0.12,-128.86)   73.24                80
 06/09/2022   10:07:34   (  -0.01,-128.23) (  -0.88,-124.40)  437.27                80
 06/10/2022   22:27:20   (   0.04,-128.25) (  -0.34,-129.81)  178.11                80
 06/11/2022   22:11:35   (   0.03,-128.27) (   0.66,-125.35)  332.10                80
 06/13/2022   10:31:16   (  -0.06,-128.30) (   0.48,-130.75)  278.34                80
 06/14/2022   10:15:31   (  -0.05,-128.31) (  -0.52,-126.29)  231.07                80
 06/15/2022   22:35:18   (   0.08,-128.31) (  -0.69,-131.70)  386.37                80