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)
 10/12/2018   06:21:30   (   0.31,-135.58) (   0.68,-133.92)  189.35                80
 10/13/2018   18:40:22   (  -0.31,-135.63) (   0.31,-138.49)  326.24                80
 10/14/2018   18:22:21   (  -0.30,-135.62) (  -0.75,-133.48)  242.29                80
 10/16/2018   06:41:22   (   0.31,-135.54) (  -0.23,-138.09)  289.05                80
 10/17/2018   06:18:01   (   0.30,-135.53) (   0.84,-133.08)  278.53                80
 10/18/2018   18:36:54   (  -0.31,-135.55) (   0.15,-137.65)  238.69                80
 10/19/2018   18:18:54   (  -0.30,-135.54) (  -0.98,-132.65)  329.19                80
 10/21/2018   06:37:52   (   0.31,-135.46) (  -0.11,-137.23)  202.27                80
 10/22/2018   06:14:33   (   0.30,-135.44) (   1.01,-132.24)  364.65                80
 10/23/2018   18:33:25   (  -0.31,-135.45) (  -0.02,-136.81)  154.16                80
 10/24/2018   18:15:25   (  -0.31,-135.43) (  -1.09,-131.80)  412.98                80