Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2017 11 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-A Lat/Lon    Distance(km)  Time Diff(sec)
 11/14/2017   06:40:22   (   0.22,-134.82) (  -0.51,-138.00)  363.40                80
 11/15/2017   06:17:02   (   0.22,-134.86) (   0.61,-133.01)  209.88                80
 11/16/2017   18:35:51   (  -0.22,-134.90) (   0.41,-137.57)  305.34                80
 11/17/2017   18:17:51   (  -0.22,-134.94) (  -0.72,-132.58)  268.46                80
 11/19/2017   06:36:50   (   0.21,-135.02) (  -0.27,-137.18)  246.02                80
 11/20/2017   06:13:30   (   0.21,-135.05) (   0.86,-132.19)  326.58                80
 11/21/2017   18:32:19   (  -0.20,-135.07) (   0.16,-136.75)  190.37                80
 11/22/2017   18:14:18   (  -0.20,-135.11) (  -0.97,-131.75)  382.66                80
 11/24/2017   06:33:17   (   0.19,-135.19) (  -0.08,-136.34)  132.22                80
 11/25/2017   06:09:56   (   0.19,-135.21) (   1.05,-131.35)  439.67                80
 11/26/2017   18:28:45   (  -0.18,-135.21) (  -0.03,-135.91)   79.00                80
 11/27/2017   18:10:45   (  -0.18,-135.24) (  -1.16,-130.92)  493.30                80