Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2016 9 11.  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)
 09/12/2016   11:44:53   (   0.29,-135.48) (  -0.10,-133.80)  191.00                80
 09/15/2016   00:04:02   (  -0.26,-135.43) (  -1.10,-139.01)  408.46                80
 09/15/2016   23:52:40   (  -0.26,-135.44) (  -0.46,-136.24)   92.44                80
 09/16/2016   23:43:57   (  -0.27,-135.44) (   0.18,-133.48)  223.42                80
 09/19/2016   12:03:04   (   0.24,-135.48) (   0.99,-138.68)  365.27                80
 09/20/2016   11:51:42   (   0.25,-135.47) (   0.36,-135.91)   50.20                80
 09/21/2016   11:42:59   (   0.25,-135.47) (  -0.27,-133.15)  264.69                80
 09/24/2016   00:02:06   (  -0.22,-135.38) (  -0.91,-138.34)  338.20                80
 09/24/2016   23:50:44   (  -0.22,-135.37) (  -0.26,-135.58)   23.54                80