Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 10 9.  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   06:44:49   (   0.32,-135.60) (  -0.44,-138.92)  378.91                80
 10/12/2018   06:21:30   (   0.31,-135.59) (   0.68,-133.92)  189.52                80
 10/13/2018   18:40:22   (  -0.32,-135.63) (   0.31,-138.49)  325.84                80
 10/14/2018   18:22:21   (  -0.31,-135.62) (  -0.76,-133.49)  242.82                80
 10/16/2018   06:41:22   (   0.31,-135.55) (  -0.22,-138.09)  288.39                80
 10/17/2018   06:18:01   (   0.30,-135.53) (   0.84,-133.08)  279.31                80
 10/18/2018   18:36:54   (  -0.31,-135.56) (   0.15,-137.65)  237.67                80
 10/19/2018   18:18:54   (  -0.30,-135.55) (  -0.97,-132.65)  330.32                80
 10/21/2018   06:37:53   (   0.31,-135.48) (  -0.06,-137.24)  201.01                80
 10/22/2018   06:14:33   (   0.30,-135.45) (   1.01,-132.24)  366.02                80
 10/23/2018   18:33:25   (  -0.31,-135.47) (  -0.02,-136.81)  152.55                80