Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2017 10 17.  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)
 10/18/2017   18:36:30   (  -0.27,-135.25) (   0.25,-137.63)  271.38                80
 10/19/2017   18:18:30   (  -0.27,-135.23) (  -0.87,-132.63)  295.95                80
 10/21/2017   06:37:28   (   0.27,-135.15) (  -0.18,-137.22)  236.15                80
 10/22/2017   06:14:08   (   0.27,-135.12) (   0.93,-132.23)  330.09                80
 10/23/2017   18:32:57   (  -0.27,-135.12) (   0.12,-136.78)  189.98                80
 10/24/2017   18:14:57   (  -0.26,-135.09) (  -1.00,-131.78)  376.61                80
 10/26/2017   06:33:55   (   0.26,-135.01) (  -0.05,-136.38)  155.84                80
 10/27/2017   06:10:34   (   0.26,-134.97) (   1.06,-131.38)  409.60                80
 10/28/2017   18:29:24   (  -0.26,-134.95) (  -0.02,-135.93)  112.29                80
 10/29/2017   18:11:23   (  -0.25,-134.92) (  -1.14,-130.94)  453.57                80
 10/31/2017   06:30:22   (   0.25,-134.84) (   0.09,-135.53)   79.13                80