Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 5 12.  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)
 05/13/2018   12:47:04   (  -0.00,-135.41) (  -0.83,-131.92)  399.24                80
 05/16/2018   01:05:54   (   0.03,-135.40) (  -0.36,-137.02)  185.73                80
 05/17/2018   00:57:01   (   0.03,-135.38) (   0.31,-134.21)  133.69                80
 05/18/2018   00:45:28   (   0.03,-135.36) (   0.92,-131.38)  452.96                80
 05/19/2018   13:15:33   (  -0.05,-135.30) (   0.89,-139.23)  449.29                80
 05/20/2018   13:04:01   (  -0.05,-135.28) (   0.23,-136.42)  130.51                80
 05/21/2018   12:55:08   (  -0.04,-135.25) (  -0.44,-133.61)  188.20                80
 05/24/2018   01:13:56   (   0.06,-135.20) (  -0.77,-138.70)  399.30                80
 05/25/2018   01:02:23   (   0.06,-135.18) (  -0.09,-135.89)   80.55                80
 05/26/2018   00:53:30   (   0.06,-135.15) (   0.54,-133.06)  238.08                80