Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2017 8 10.  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)
 08/12/2017   00:39:35   (  -0.37,-134.88) (  -1.31,-139.03)  472.93                80
 08/13/2017   00:28:07   (  -0.38,-134.90) (  -0.69,-136.23)  151.80                80
 08/14/2017   00:19:19   (  -0.38,-134.92) (  -0.02,-133.44)  169.11                80
 08/15/2017   00:07:51   (  -0.38,-134.94) (   0.61,-130.65)  489.85                80
 08/16/2017   12:40:43   (   0.36,-135.02) (   1.15,-138.54)  401.67                80
 08/17/2017   12:29:15   (   0.36,-135.02) (   0.52,-135.74)   81.82                80
 08/18/2017   12:15:06   (   0.36,-135.03) (  -0.10,-132.95)  237.84                80
 08/21/2017   00:36:49   (  -0.34,-134.99) (  -1.04,-138.12)  356.72                80
 08/22/2017   00:25:20   (  -0.34,-135.00) (  -0.41,-135.32)   36.80                80
 08/23/2017   00:16:32   (  -0.34,-135.01) (   0.22,-132.53)  283.04                80