Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2015 10 21.  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)
 10/22/2015   06:42:09   (   0.30,-134.60) (  -0.51,-138.12)  401.68                80
 10/23/2015   06:18:48   (   0.30,-134.62) (   0.63,-133.12)  170.78                80
 10/24/2015   18:37:38   (  -0.30,-134.70) (   0.38,-137.68)  339.31                80
 10/25/2015   18:19:37   (  -0.30,-134.73) (  -0.76,-132.68)  233.15                80
 10/27/2015   06:38:35   (   0.30,-134.72) (  -0.26,-137.27)  290.32                80
 10/28/2015   06:15:14   (   0.30,-134.74) (   0.82,-132.26)  281.41                80
 10/29/2015   18:34:03   (  -0.30,-134.80) (   0.17,-136.82)  229.99                80
 10/30/2015   18:16:03   (  -0.29,-134.82) (  -0.97,-131.82)  341.80                80
 11/01/2015   06:35:01   (   0.29,-134.81) (  -0.04,-136.41)  182.21                80
 11/02/2015   06:11:40   (   0.29,-134.82) (   1.04,-131.40)  388.96                80
 11/03/2015   18:30:29   (  -0.28,-134.87) (  -0.05,-135.96)  123.41                80