Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2017 10 16.  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)
 10/17/2017   06:17:40   (   0.27,-135.23) (   0.77,-133.07)  247.01                80
 10/18/2017   18:36:31   (  -0.27,-135.25) (   0.23,-137.63)  271.25                80
 10/19/2017   18:18:29   (  -0.27,-135.23) (  -0.83,-132.62)  296.16                80
 10/21/2017   06:37:29   (   0.27,-135.15) (  -0.16,-137.23)  235.97                80
 10/22/2017   06:14:07   (   0.27,-135.12) (   0.89,-132.22)  330.35                80
 10/23/2017   18:32:57   (  -0.27,-135.12) (   0.10,-136.78)  189.51                80
 10/24/2017   18:14:57   (  -0.26,-135.10) (  -1.02,-131.79)  377.15                80
 10/26/2017   06:33:55   (   0.26,-135.01) (  -0.03,-136.38)  155.31                80
 10/27/2017   06:10:35   (   0.26,-134.98) (   1.08,-131.38)  410.20                80
 10/28/2017   18:29:24   (  -0.26,-134.96) (  -0.04,-135.94)  111.48                80
 10/29/2017   18:11:24   (  -0.25,-134.93) (  -1.16,-130.94)  454.43                80