Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 7 11.  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)
 07/11/2021   03:20:54   (   0.18,-127.92) (   0.59,-126.19)  196.85                 9
 07/13/2021   15:40:24   (  -0.18,-127.86) (   0.55,-131.08)  367.67                80
 07/14/2021   15:28:39   (  -0.19,-127.83) (  -0.07,-128.21)   44.29                80
 07/15/2021   15:19:34   (  -0.19,-127.79) (  -0.76,-125.34)  279.16                80
 07/18/2021   03:40:32   (   0.19,-127.66) (  -0.42,-130.30)  301.49                80
 07/19/2021   03:26:07   (   0.19,-127.61) (   0.22,-127.42)   21.15                80
 07/20/2021   03:14:21   (   0.19,-127.56) (   0.87,-124.55)  343.58                80
 07/22/2021   15:35:03   (  -0.20,-127.47) (   0.29,-129.44)  225.86                80
 07/23/2021   15:25:58   (  -0.20,-127.42) (  -0.40,-126.58)   96.21                80
 07/24/2021   15:14:14   (  -0.21,-127.37) (  -1.09,-123.72)  418.29                80