Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 7 11.  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)
 07/12/2018   12:57:04   (  -0.28,-135.43) (  -0.97,-132.40)  345.71                80
 07/15/2018   01:15:43   (   0.30,-135.47) (  -0.15,-137.46)  226.61                80
 07/16/2018   01:06:50   (   0.30,-135.48) (   0.50,-134.64)   96.37                80
 07/17/2018   00:55:16   (   0.30,-135.49) (   1.16,-131.82)  419.33                80
 07/18/2018   13:28:08   (  -0.31,-135.49) (   0.68,-139.69)  479.96                80
 07/19/2018   13:16:35   (  -0.31,-135.50) (   0.01,-136.88)  157.18                80
 07/20/2018   13:04:29   (  -0.31,-135.51) (  -0.65,-134.06)  165.51                48
 07/21/2018   12:53:28   (  -0.31,-135.51) (  -1.32,-131.25)  488.02                80
 07/23/2018   01:23:40   (   0.32,-135.53) (  -0.50,-139.12)  409.19                80
 07/24/2018   01:12:07   (   0.32,-135.54) (   0.16,-136.30)   87.05                80
 07/25/2018   01:03:13   (   0.33,-135.54) (   0.82,-133.48)  234.94                80