Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2017 9 23.  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)
 09/25/2017   00:36:55   (  -0.18,-135.35) (  -0.58,-137.18)  208.12                80
 09/26/2017   00:28:05   (  -0.18,-135.36) (   0.04,-134.37)  112.26                80
 09/27/2017   00:16:36   (  -0.19,-135.37) (   0.66,-131.57)  432.57                80
 09/28/2017   12:46:54   (   0.15,-135.47) (   1.07,-139.49)  459.05                80
 09/29/2017   12:35:25   (   0.15,-135.47) (   0.41,-136.70)  139.51                80
 09/30/2017   12:26:36   (   0.16,-135.47) (  -0.19,-133.89)  179.92                80
 10/01/2017   12:15:08   (   0.16,-135.47) (  -0.85,-131.10)  499.20                80
 10/03/2017   00:45:29   (  -0.12,-135.37) (  -0.97,-139.02)  416.83                80
 10/04/2017   00:33:59   (  -0.13,-135.37) (  -0.35,-136.22)   97.56                80
 10/05/2017   00:25:11   (  -0.13,-135.36) (   0.34,-133.43)  221.59                80
 10/07/2017   12:44:01   (   0.10,-135.45) (   0.83,-138.54)  353.26                80