Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 10 13.  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)
 10/14/2018   13:14:02   (   0.06,-135.64) (  -0.51,-133.27)  270.15                80
 10/17/2018   01:32:41   (  -0.02,-135.50) (  -0.66,-138.32)  322.16                80
 10/18/2018   01:21:05   (  -0.03,-135.49) (  -0.04,-135.49)    1.95                80
 10/19/2018   01:12:11   (  -0.03,-135.47) (   0.64,-132.67)  319.86                80
 10/21/2018   13:30:45   (  -0.01,-135.52) (   0.50,-137.71)  250.04                80
 10/22/2018   13:21:50   (  -0.00,-135.50) (  -0.16,-134.89)   70.34                80
 10/23/2018   13:10:15   (   0.01,-135.47) (  -0.77,-132.05)  390.59                80
 10/26/2018   01:28:51   (   0.03,-135.31) (  -0.37,-137.10)  203.86                80
 10/27/2018   01:19:56   (   0.02,-135.28) (   0.26,-134.27)  115.83                80