Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2020 7 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 07/03/2020   22:16:42   (  -0.03,-128.16) (  -0.81,-131.71)  404.30                80
 07/04/2020   22:00:25   (  -0.02,-128.18) (   0.21,-127.13)  119.84                80
 07/06/2020   10:21:55   (   0.03,-128.27) (   0.92,-132.33)  462.02                80
 07/07/2020   10:00:19   (   0.02,-128.29) (  -0.09,-127.74)   61.77                80
 07/09/2020   22:03:02   (  -0.02,-128.27) (  -0.03,-128.40)   13.52                80
 07/12/2020   10:08:16   (   0.03,-128.38) (   0.15,-129.01)   71.37                80
 07/13/2020   09:46:39   (   0.02,-128.40) (  -0.86,-124.43)  452.15                80
 07/14/2020   22:08:17   (  -0.02,-128.36) (  -0.31,-129.65)  147.93                80
 07/15/2020   21:52:01   (  -0.02,-128.37) (   0.70,-125.07)  375.44                80