Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2015 10 31.  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)
 11/01/2015   06:35:01   (   0.29,-135.01) (  -0.04,-136.41)  159.83                80
 11/02/2015   06:11:41   (   0.29,-135.04) (   1.11,-131.42)  413.43                80
 11/03/2015   18:30:30   (  -0.28,-135.13) (  -0.12,-135.97)   95.52                80
 11/04/2015   18:12:28   (  -0.28,-135.16) (  -1.21,-130.97)  477.91                80
 11/06/2015   06:31:27   (   0.27,-135.17) (   0.20,-135.56)   43.46                80
 11/08/2015   18:29:35   (  -0.27,-135.28) (  -0.32,-135.11)   19.49                80
 11/11/2015   06:25:11   (   0.27,-135.31) (   0.41,-134.70)   70.21                80
 11/12/2015   18:44:00   (  -0.25,-135.37) (   0.62,-139.24)  441.31                80
 11/13/2015   18:25:59   (  -0.26,-135.39) (  -0.54,-134.25)  130.81                80