Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 8 4.  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)
 08/04/2021   03:41:38   (   0.19,-127.96) (   0.00,-129.98)  224.81                80
 08/05/2021   03:27:09   (   0.20,-127.98) (   0.42,-127.05)  106.78                80
 08/06/2021   03:15:23   (   0.21,-128.00) (   1.08,-124.18)  436.34                80
 08/07/2021   15:47:54   (  -0.19,-128.03) (   0.69,-131.96)  448.69                80
 08/08/2021   15:36:09   (  -0.20,-128.05) (   0.05,-129.09)  119.18                80
 08/09/2021   15:27:04   (  -0.21,-128.07) (  -0.65,-126.23)  210.26                80
 08/12/2021   03:47:55   (   0.19,-128.12) (  -0.53,-131.15)  346.57                80
 08/13/2021   03:36:11   (   0.20,-128.13) (   0.19,-128.30)   17.89                80
 08/14/2021   03:21:45   (   0.21,-128.15) (   0.86,-125.42)  311.06                80
 08/16/2021   15:45:12   (  -0.18,-128.15) (   0.32,-130.33)  249.25                80
 08/17/2021   15:33:27   (  -0.19,-128.16) (  -0.33,-127.46)   79.10                80