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

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 06/15/2022   22:35:18   (   0.08,-128.36) (  -0.70,-131.69)  381.37                80
 06/16/2022   22:19:33   (   0.07,-128.37) (   0.30,-127.24)  128.59                80
 06/18/2022   10:39:13   (  -0.10,-128.40) (   0.83,-132.63)  481.82                80
 06/19/2022   10:23:28   (  -0.08,-128.41) (  -0.11,-128.16)   28.04                80
 06/21/2022   22:24:51   (   0.10,-128.43) (  -0.04,-129.13)   78.93                80
 06/22/2022   22:09:06   (   0.08,-128.45) (   0.96,-124.67)  430.97                80
 06/24/2022   10:28:46   (  -0.12,-128.48) (   0.23,-130.06)  179.51                80
 06/25/2022   10:13:01   (  -0.11,-128.49) (  -0.78,-125.60)  329.74                80
 06/26/2022   22:32:47   (   0.14,-128.48) (  -0.43,-131.01)  288.47                80
 06/27/2022   22:17:03   (   0.13,-128.49) (   0.58,-126.56)  220.66                80