Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 10 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 10/11/2018   06:44:50   (   0.32,-135.60) (  -0.41,-138.92)  378.97                80
 10/12/2018   06:21:29   (   0.31,-135.59) (   0.65,-133.92)  189.43                80
 10/13/2018   18:40:21   (  -0.31,-135.63) (   0.33,-138.49)  326.05                80
 10/14/2018   18:22:22   (  -0.30,-135.62) (  -0.79,-133.49)  242.53                80
 10/16/2018   06:41:21   (   0.31,-135.55) (  -0.25,-138.08)  288.70                80
 10/17/2018   06:18:02   (   0.30,-135.53) (   0.87,-133.09)  278.94                80
 10/18/2018   18:36:53   (  -0.31,-135.56) (   0.18,-137.64)  238.16                80
 10/19/2018   18:18:54   (  -0.30,-135.54) (  -0.95,-132.65)  329.78                80
 10/21/2018   06:37:53   (   0.31,-135.47) (  -0.08,-137.24)  201.57                80
 10/22/2018   06:14:33   (   0.30,-135.45) (   1.04,-132.25)  365.39                80
 10/23/2018   18:33:25   (  -0.31,-135.46) (   0.01,-136.80)  153.30                80
 10/24/2018   18:15:25   (  -0.31,-135.44) (  -1.12,-131.81)  413.90                80