Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 5 25.  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)
 05/26/2018   18:41:24   (  -0.16,-135.15) (   0.40,-137.67)  287.26                80
 05/27/2018   18:18:04   (  -0.17,-135.12) (  -0.68,-132.67)  278.53                80
 05/29/2018   06:39:43   (   0.17,-135.04) (  -0.33,-137.27)  253.86                80
 05/30/2018   06:19:02   (   0.17,-135.01) (   0.76,-132.27)  311.62                80
 05/31/2018   18:37:54   (  -0.17,-134.99) (   0.23,-136.84)  210.45                80
 06/01/2018   18:14:33   (  -0.18,-134.95) (  -0.86,-131.84)  354.52                80
 06/03/2018   06:36:12   (   0.17,-134.86) (  -0.20,-136.42)  178.95                80
 06/04/2018   06:12:52   (   0.18,-134.82) (   0.95,-131.44)  385.84                80
 06/05/2018   18:34:22   (  -0.18,-134.79) (   0.09,-135.99)  137.03                80
 06/06/2018   18:11:02   (  -0.19,-134.75) (  -1.00,-130.99)  427.37                80
 06/08/2018   06:32:40   (   0.18,-134.65) (  -0.05,-135.58)  106.86                80