Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 10 17.  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)
 10/18/2018   18:36:53   (  -0.31,-135.54) (   0.17,-137.64)  239.69                80
 10/19/2018   18:18:54   (  -0.30,-135.53) (  -0.95,-132.65)  327.95                80
 10/21/2018   06:37:53   (   0.31,-135.45) (  -0.08,-137.24)  204.22                80
 10/22/2018   06:14:33   (   0.30,-135.42) (   1.04,-132.25)  362.42                80
 10/23/2018   18:33:25   (  -0.31,-135.43) (   0.01,-136.80)  156.42                80
 10/24/2018   18:15:25   (  -0.31,-135.41) (  -1.12,-131.81)  410.47                80
 10/26/2018   06:34:25   (   0.31,-135.32) (   0.09,-136.40)  122.16                80
 10/27/2018   06:11:04   (   0.30,-135.29) (   1.15,-131.39)  443.47                80
 10/28/2018   18:29:56   (  -0.31,-135.28) (  -0.16,-135.96)   77.65                80
 10/29/2018   18:11:57   (  -0.30,-135.24) (  -1.29,-130.97)  488.11                80
 10/31/2018   06:30:55   (   0.30,-135.15) (   0.20,-135.54)   45.30                80