Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2017 10 19.  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)
 10/21/2017   00:39:35   (  -0.03,-135.12) (  -0.48,-137.08)  223.13                80
 10/22/2017   00:30:46   (  -0.04,-135.10) (   0.16,-134.28)   93.79                80
 10/23/2017   00:19:16   (  -0.05,-135.07) (   0.80,-131.48)  410.63                80
 10/24/2017   12:49:36   (   0.01,-135.12) (   1.01,-139.39)  487.68                80
 10/25/2017   12:38:07   (   0.02,-135.09) (   0.37,-136.59)  171.37                80
 10/26/2017   12:29:17   (   0.02,-135.06) (  -0.27,-133.79)  144.73                80
 10/27/2017   12:17:48   (   0.03,-135.02) (  -0.92,-130.99)  460.74                80
 10/29/2017   00:48:05   (   0.01,-134.87) (  -0.93,-138.89)  459.39                80
 10/30/2017   00:36:36   (   0.00,-134.83) (  -0.29,-136.09)  143.65                80
 10/31/2017   00:27:46   (  -0.00,-134.79) (   0.35,-133.29)  171.90                80
 11/01/2017   00:16:17   (  -0.01,-134.76) (   0.99,-130.49)  487.40                80