Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 7 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)
 07/02/2022   22:23:24   (   0.17,-128.47) (   0.17,-128.42)    5.71                15
 07/05/2022   10:26:14   (  -0.18,-128.47) (  -0.02,-129.35)   99.80                80
 07/06/2022   10:10:28   (  -0.17,-128.47) (  -0.97,-124.89)  408.06                80
 07/07/2022   22:30:15   (   0.20,-128.45) (  -0.19,-130.31)  211.62                80
 07/08/2022   22:14:30   (   0.19,-128.44) (   0.76,-125.84)  295.94                80
 07/10/2022   10:34:09   (  -0.23,-128.43) (   0.39,-131.23)  318.42                80
 07/11/2022   10:18:24   (  -0.22,-128.42) (  -0.57,-126.76)  188.26                80
 07/12/2022   22:38:11   (   0.25,-128.38) (  -0.60,-132.18)  433.75                80
 07/13/2022   22:22:26   (   0.24,-128.36) (   0.36,-127.71)   72.83                80