Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2017 7 3.  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)
 07/04/2017   12:29:05   (  -0.20,-135.43) (   0.33,-137.67)  256.40                80
 07/05/2017   12:20:17   (  -0.20,-135.42) (  -0.33,-134.88)   61.07                80
 07/06/2017   12:08:50   (  -0.20,-135.41) (  -0.98,-132.09)  378.37                80
 07/09/2017   00:27:45   (   0.22,-135.38) (  -0.23,-137.22)  211.70                80
 07/10/2017   00:18:57   (   0.22,-135.36) (   0.41,-134.43)  105.15                80
 07/11/2017   00:07:30   (   0.22,-135.35) (   1.05,-131.64)  421.83                80
 07/12/2017   12:37:50   (  -0.24,-135.31) (   0.72,-139.57)  485.32                80
 07/13/2017   12:26:22   (  -0.24,-135.29) (   0.11,-136.77)  168.96                80
 07/14/2017   12:17:34   (  -0.24,-135.27) (  -0.55,-133.98)  147.30                80
 07/15/2017   12:06:06   (  -0.24,-135.25) (  -1.16,-131.18)  463.37                80
 07/17/2017   00:36:31   (   0.26,-135.21) (  -0.64,-139.13)  447.26                80