Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 10 16.  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)
 10/17/2018   06:18:02   (   0.30,-135.52) (   0.85,-133.08)  277.66                80
 10/18/2018   18:36:54   (  -0.31,-135.54) (   0.13,-137.65)  239.74                80
 10/19/2018   18:18:53   (  -0.30,-135.53) (  -0.93,-132.64)  327.94                80
 10/21/2018   06:37:53   (   0.31,-135.45) (  -0.10,-137.23)  203.99                80
 10/22/2018   06:14:33   (   0.30,-135.42) (   1.02,-132.24)  362.66                80
 10/23/2018   18:33:25   (  -0.31,-135.43) (  -0.03,-136.81)  156.35                80
 10/24/2018   18:15:25   (  -0.31,-135.41) (  -1.10,-131.80)  410.59                80
 10/26/2018   06:34:24   (   0.31,-135.33) (   0.07,-136.39)  121.79                80
 10/27/2018   06:11:05   (   0.30,-135.29) (   1.20,-131.40)  443.87                80
 10/28/2018   18:29:56   (  -0.31,-135.28) (  -0.15,-135.96)   77.42                80
 10/29/2018   18:11:57   (  -0.30,-135.24) (  -1.27,-130.96)  488.37                80