Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2017 8 8.  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)
 08/09/2017   12:17:53   (   0.38,-134.87) (   0.16,-133.86)  115.70                80
 08/10/2017   12:06:25   (   0.38,-134.89) (  -0.53,-131.07)  436.77                80
 08/12/2017   00:39:35   (  -0.37,-134.87) (  -1.34,-139.02)  473.51                80
 08/13/2017   00:28:07   (  -0.37,-134.90) (  -0.67,-136.24)  152.48                80
 08/14/2017   00:19:19   (  -0.37,-134.91) (  -0.05,-133.44)  168.32                80
 08/15/2017   00:07:51   (  -0.37,-134.93) (   0.63,-130.65)  488.97                80
 08/16/2017   12:40:42   (   0.36,-135.01) (   1.18,-138.53)  402.24                80
 08/17/2017   12:29:14   (   0.36,-135.02) (   0.55,-135.74)   82.55                80
 08/18/2017   12:15:07   (   0.36,-135.03) (  -0.13,-132.95)  237.09                80
 08/21/2017   00:36:48   (  -0.34,-134.98) (  -1.07,-138.11)  358.13                80
 08/22/2017   00:25:20   (  -0.34,-134.99) (  -0.43,-135.32)   38.36                80