Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2017 10 14.  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   12:41:05   (   0.06,-135.32) (   0.55,-137.59)  258.37                80
 10/17/2017   12:32:15   (   0.06,-135.30) (  -0.08,-134.78)   59.15                80
 10/18/2017   12:20:45   (   0.07,-135.27) (  -0.66,-131.97)  376.53                80
 10/21/2017   00:39:33   (  -0.04,-135.10) (  -0.47,-137.08)  225.41                80
 10/22/2017   00:30:43   (  -0.05,-135.08) (   0.12,-134.27)   91.74                80
 10/23/2017   00:19:14   (  -0.06,-135.05) (   0.76,-131.47)  408.73                80
 10/24/2017   12:49:35   (   0.01,-135.13) (   0.99,-139.40)  487.64                80
 10/25/2017   12:38:04   (   0.02,-135.10) (   0.40,-136.59)  171.11                80
 10/26/2017   12:29:15   (   0.03,-135.07) (  -0.26,-133.79)  145.26                80
 10/27/2017   12:17:45   (   0.04,-135.03) (  -0.91,-130.99)  461.52                80