Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2017 10 15.  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)
 10/16/2017   12:41:06   (   0.06,-135.32) (   0.56,-137.59)  258.43                80
 10/17/2017   12:32:17   (   0.06,-135.30) (  -0.06,-134.78)   58.92                80
 10/18/2017   12:20:47   (   0.07,-135.28) (  -0.68,-131.98)  376.28                80
 10/21/2017   00:39:36   (  -0.04,-135.11) (  -0.51,-137.08)  225.83                80
 10/22/2017   00:30:47   (  -0.04,-135.09) (   0.12,-134.28)   91.20                80
 10/23/2017   00:19:17   (  -0.05,-135.06) (   0.74,-131.48)  408.09                80
 10/24/2017   12:49:39   (   0.01,-135.13) (   0.99,-139.42)  488.52                80
 10/25/2017   12:38:10   (   0.02,-135.10) (   0.36,-136.61)  172.12                80
 10/26/2017   12:29:20   (   0.03,-135.07) (  -0.27,-133.81)  144.08                80
 10/27/2017   12:17:51   (   0.04,-135.04) (  -0.90,-131.01)  460.17                80
 10/29/2017   00:48:09   (   0.01,-134.87) (  -0.90,-138.92)  461.39                80