Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 10 10.  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   06:44:34   (   0.32,-135.59) (  -0.42,-138.86)  373.26                80
 10/12/2018   06:21:12   (   0.31,-135.58) (   0.68,-133.85)  196.35                80
 10/13/2018   18:40:00   (  -0.32,-135.62) (   0.28,-138.41)  316.78                80
 10/14/2018   18:21:57   (  -0.31,-135.61) (  -0.79,-133.39)  253.34                80
 10/16/2018   06:40:51   (   0.31,-135.54) (  -0.24,-137.96)  275.63                80
 10/17/2018   06:17:28   (   0.30,-135.52) (   0.86,-132.94)  293.71                80
 10/18/2018   18:36:14   (  -0.31,-135.55) (   0.12,-137.49)  220.36                80
 10/19/2018   18:18:10   (  -0.30,-135.54) (  -1.01,-132.48)  349.56                80
 10/21/2018   06:37:03   (   0.31,-135.47) (  -0.03,-137.04)  178.74                80
 10/22/2018   06:13:38   (   0.30,-135.44) (   1.08,-132.02)  390.39                80
 10/23/2018   18:32:22   (  -0.31,-135.46) (  -0.06,-136.55)  124.59                80