Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2015 4 13.  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)
 04/13/2015   06:14:03   (   0.00,-135.01) (   0.78,-131.40)  411.10                80
 04/14/2015   18:32:54   (  -0.01,-135.06) (   0.19,-135.97)  103.31                80
 04/15/2015   18:14:53   (  -0.00,-135.09) (  -0.90,-130.97)  469.26                80
 04/17/2015   06:33:53   (   0.01,-135.13) (  -0.11,-135.57)   50.24                80
 04/19/2015   18:32:04   (  -0.00,-135.19) (  -0.02,-135.14)    6.00                80
 04/22/2015   06:27:42   (   0.01,-135.24) (   0.13,-134.74)   57.74                80
 04/23/2015   18:46:33   (  -0.02,-135.26) (   0.90,-139.29)  459.57                80
 04/24/2015   18:28:32   (  -0.01,-135.28) (  -0.20,-134.29)  111.95                80
 04/26/2015   06:47:31   (   0.02,-135.32) (  -0.78,-138.90)  407.97                80