Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 5 14.  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)
 05/16/2018   01:05:54   (   0.03,-135.40) (  -0.35,-137.02)  185.33                80
 05/17/2018   00:57:01   (   0.03,-135.38) (   0.32,-134.21)  134.22                80
 05/18/2018   00:45:28   (   0.03,-135.36) (   0.93,-131.39)  453.58                80
 05/19/2018   13:15:33   (  -0.05,-135.31) (   0.88,-139.23)  448.56                80
 05/20/2018   13:04:01   (  -0.05,-135.29) (   0.22,-136.42)  129.67                80
 05/21/2018   12:55:08   (  -0.04,-135.26) (  -0.44,-133.61)  189.15                80
 05/24/2018   01:13:56   (   0.06,-135.22) (  -0.77,-138.70)  397.97                80
 05/25/2018   01:02:24   (   0.06,-135.19) (  -0.09,-135.89)   79.10                80
 05/26/2018   00:53:30   (   0.06,-135.16) (   0.53,-133.06)  239.62                80
 05/28/2018   13:12:05   (  -0.08,-135.08) (   0.59,-138.11)  345.69                80