Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2017 10 18.  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) (  -0.49,-137.07)  223.09                80
 10/22/2017   00:30:45   (  -0.04,-135.10) (   0.15,-134.27)   93.87                80
 10/23/2017   00:19:16   (  -0.05,-135.07) (   0.79,-131.47)  410.76                80
 10/24/2017   12:49:36   (   0.01,-135.13) (   1.02,-139.39)  487.47                80
 10/25/2017   12:38:07   (   0.02,-135.09) (   0.38,-136.59)  171.13                80
 10/26/2017   12:29:17   (   0.02,-135.06) (  -0.26,-133.79)  145.03                80
 10/27/2017   12:17:48   (   0.03,-135.03) (  -0.91,-130.99)  461.08                80
 10/29/2017   00:48:05   (   0.01,-134.87) (  -0.94,-138.89)  458.99                80
 10/30/2017   00:36:36   (   0.00,-134.84) (  -0.30,-136.09)  143.20                80
 10/31/2017   00:27:46   (  -0.00,-134.80) (   0.34,-133.29)  172.41                80
 11/01/2017   00:16:17   (  -0.01,-134.76) (   0.99,-130.49)  487.96                80