Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 8 5.  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)
 08/05/2021   03:28:22   (   0.20,-127.98) (   0.41,-127.05)  106.92                 6
 08/06/2021   03:15:24   (   0.21,-128.00) (   1.13,-124.19)  436.45                80
 08/07/2021   15:47:54   (  -0.19,-128.03) (   0.71,-131.96)  448.60                80
 08/08/2021   15:36:09   (  -0.20,-128.05) (   0.07,-129.09)  119.11                80
 08/09/2021   15:27:04   (  -0.21,-128.07) (  -0.64,-126.22)  210.36                80
 08/12/2021   03:47:56   (   0.19,-128.12) (  -0.48,-131.16)  346.39                80
 08/13/2021   03:36:11   (   0.20,-128.14) (   0.18,-128.29)   17.51                80
 08/14/2021   03:21:45   (   0.21,-128.15) (   0.85,-125.42)  311.27                80
 08/16/2021   15:45:12   (  -0.18,-128.15) (   0.33,-130.33)  249.01                80
 08/17/2021   15:30:48   (  -0.19,-128.16) (  -0.38,-127.47)   79.36                80
 08/18/2021   15:21:42   (  -0.20,-128.17) (  -1.03,-124.60)  407.44                80