Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2015 4 19.  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)
 04/19/2015   18:32:04   (  -0.01,-135.21) (  -0.05,-135.14)    9.13                80
 04/22/2015   06:27:43   (   0.02,-135.27) (   0.16,-134.74)   61.03                80
 04/23/2015   18:46:33   (  -0.03,-135.30) (   0.85,-139.30)  455.68                80
 04/24/2015   18:28:32   (  -0.03,-135.32) (  -0.26,-134.30)  116.03                80
 04/26/2015   06:47:31   (   0.03,-135.35) (  -0.78,-138.89)  403.80                80
 04/27/2015   06:24:10   (   0.03,-135.37) (   0.34,-133.89)  167.45                80
 04/28/2015   18:43:01   (  -0.04,-135.39) (   0.67,-138.45)  350.09                80
 04/29/2015   18:25:00   (  -0.03,-135.40) (  -0.45,-133.46)  221.31                80
 05/01/2015   06:43:58   (   0.04,-135.43) (  -0.57,-138.05)  298.80                80
 05/02/2015   06:20:38   (   0.03,-135.44) (   0.56,-133.05)  271.93                80