Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2019 6 25.  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)
 06/26/2019   01:23:16   (   0.21,-128.01) (   0.63,-126.12)  215.27                80
 06/28/2019   13:44:21   (  -0.23,-127.98) (   0.51,-131.11)  357.64                80
 06/29/2019   13:32:44   (  -0.23,-127.95) (  -0.15,-128.27)   37.23                80
 06/30/2019   13:21:06   (  -0.23,-127.91) (  -0.81,-125.44)  282.96                80
 07/03/2019   01:39:36   (   0.25,-127.77) (  -0.40,-130.44)  305.45                80
 07/04/2019   01:30:38   (   0.25,-127.73) (   0.28,-127.60)   14.32                80
 07/05/2019   01:19:00   (   0.25,-127.68) (   0.91,-124.75)  334.02                80
 07/07/2019   13:40:07   (  -0.26,-127.63) (   0.23,-129.75)  242.79                80
 07/08/2019   13:28:29   (  -0.26,-127.58) (  -0.44,-126.92)   76.59                80
 07/09/2019   13:16:51   (  -0.26,-127.54) (  -1.05,-124.07)  395.83                80