Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2016 5 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)
 05/08/2016   23:24:53   (  -0.03,-135.14) (   0.73,-131.79)  382.78                80
 05/11/2016   11:44:05   (   0.02,-135.09) (   0.45,-137.01)  218.88                80
 05/12/2016   11:35:24   (   0.03,-135.06) (  -0.16,-134.25)   92.59                80
 05/13/2016   11:24:04   (   0.03,-135.03) (  -0.78,-131.49)  404.01                80
 05/15/2016   23:43:17   (  -0.02,-134.94) (  -0.44,-136.71)  202.67                80
 05/16/2016   23:34:36   (  -0.02,-134.91) (   0.20,-133.96)  108.64                80
 05/17/2016   23:23:16   (  -0.02,-134.88) (   0.83,-131.20)  419.86                80
 05/19/2016   11:53:49   (   0.00,-134.85) (   1.00,-139.18)  494.84                80
 05/20/2016   11:42:29   (   0.01,-134.81) (   0.37,-136.43)  184.22                80
 05/21/2016   11:33:48   (   0.01,-134.77) (  -0.25,-133.67)  126.23                80
 05/22/2016   11:22:28   (   0.01,-134.73) (  -0.88,-130.91)  436.52                80