Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 5 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)
 05/16/2018   01:05:54   (   0.03,-135.40) (  -0.33,-137.03)  185.52                80
 05/17/2018   00:57:01   (   0.03,-135.38) (   0.29,-134.20)  133.98                80
 05/18/2018   00:45:28   (   0.03,-135.36) (   0.96,-131.39)  453.29                80
 05/19/2018   13:15:34   (  -0.05,-135.31) (   0.85,-139.24)  448.91                80
 05/20/2018   13:04:01   (  -0.05,-135.28) (   0.19,-136.43)  130.11                80
 05/21/2018   12:55:08   (  -0.04,-135.26) (  -0.41,-133.60)  188.69                80
 05/24/2018   01:13:57   (   0.06,-135.21) (  -0.74,-138.70)  398.61                80
 05/25/2018   01:02:23   (   0.06,-135.18) (  -0.12,-135.88)   79.82                80
 05/26/2018   00:53:31   (   0.06,-135.16) (   0.56,-133.07)  238.87                80