Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 8 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 08/12/2021   03:47:55   (   0.19,-128.14) (  -0.52,-131.15)  344.78                80
 08/13/2021   03:36:10   (   0.20,-128.15) (   0.14,-128.28)   15.85                80
 08/14/2021   03:21:46   (   0.21,-128.16) (   0.86,-125.42)  313.32                80
 08/16/2021   15:45:12   (  -0.18,-128.17) (   0.32,-130.33)  246.26                80
 08/17/2021   15:33:27   (  -0.19,-128.19) (  -0.33,-127.46)   82.31                80
 08/18/2021   15:21:42   (  -0.20,-128.19) (  -1.04,-124.60)  410.61                80
 08/20/2021   03:54:17   (   0.16,-128.23) (  -0.79,-132.39)  474.59                80
 08/21/2021   03:42:31   (   0.18,-128.24) (  -0.13,-129.52)  146.63                80
 08/22/2021   03:28:06   (   0.19,-128.24) (   0.54,-126.65)  181.23                80