Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 6 29.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 06/30/2022   10:20:57   (  -0.15,-128.48) (  -0.38,-127.47)  115.45                80
 07/02/2022   22:24:59   (   0.17,-128.47) (   0.17,-128.42)    5.39                80
 07/05/2022   10:26:13   (  -0.18,-128.47) (   0.04,-129.34)   99.96                80
 07/06/2022   10:10:28   (  -0.17,-128.47) (  -0.97,-124.89)  407.88                80
 07/07/2022   22:30:16   (   0.20,-128.45) (  -0.20,-130.31)  211.84                80
 07/08/2022   22:14:30   (   0.19,-128.44) (   0.76,-125.84)  295.70                80
 07/10/2022   10:34:09   (  -0.23,-128.43) (   0.40,-131.23)  318.68                80
 07/11/2022   10:18:24   (  -0.22,-128.42) (  -0.56,-126.76)  187.99                80
 07/12/2022   22:38:11   (   0.25,-128.37) (  -0.61,-132.18)  434.07                80