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   12:41:05   (   0.05,-135.32) (   0.55,-137.58)  257.25                80
 10/17/2017   12:32:16   (   0.06,-135.30) (  -0.08,-134.78)   60.26                80
 10/18/2017   12:20:46   (   0.07,-135.28) (  -0.71,-131.98)  377.69                80
 10/21/2017   00:39:35   (  -0.03,-135.13) (  -0.46,-137.08)  222.46                80
 10/22/2017   00:30:45   (  -0.04,-135.10) (   0.12,-134.27)   94.76                80
 10/23/2017   00:19:15   (  -0.05,-135.08) (   0.76,-131.47)  411.80                80
 10/24/2017   12:49:37   (   0.01,-135.14) (   0.99,-139.40)  486.02                80
 10/25/2017   12:38:07   (   0.02,-135.11) (   0.34,-136.60)  169.50                80
 10/26/2017   12:29:18   (   0.03,-135.08) (  -0.30,-133.80)  146.88                80
 10/27/2017   12:17:47   (   0.03,-135.05) (  -0.88,-130.99)  463.09                80
 10/29/2017   00:48:05   (   0.01,-134.89) (  -0.90,-138.90)  456.83                80