Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 9 15.  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)
 09/16/2018   13:34:08   (   0.20,-135.45) (   1.21,-139.68)  483.51                80
 09/17/2018   13:22:35   (   0.21,-135.48) (   0.51,-136.87)  158.52                80
 09/18/2018   13:13:40   (   0.22,-135.50) (  -0.14,-134.05)  166.38                80
 09/19/2018   13:02:06   (   0.22,-135.52) (  -0.79,-131.22)  491.11                80
 09/21/2018   01:32:26   (  -0.17,-135.46) (  -1.01,-139.13)  418.53                80
 09/22/2018   01:20:52   (  -0.18,-135.48) (  -0.34,-136.31)   93.84                80
 09/23/2018   01:11:56   (  -0.19,-135.50) (   0.26,-133.48)  230.77                80
 09/25/2018   13:30:26   (   0.14,-135.64) (   0.79,-138.51)  327.83                80
 09/26/2018   13:21:32   (   0.15,-135.65) (   0.14,-135.69)    4.58                80
 09/27/2018   13:09:57   (   0.16,-135.66) (  -0.51,-132.86)  319.99                80