Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2015 9 4.  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)
 09/05/2015   06:15:16   (   0.22,-135.13) (   1.05,-131.48)  416.81                80
 09/06/2015   18:31:28   (  -0.25,-135.21) (  -0.04,-136.05)   96.25                80
 09/07/2015   18:13:28   (  -0.23,-135.22) (  -1.18,-131.06)  474.66                80
 09/09/2015   06:29:48   (   0.25,-135.19) (   0.15,-135.66)   53.19                80
 09/11/2015   18:30:39   (  -0.27,-135.26) (  -0.28,-135.23)    3.69                80
 09/14/2015   06:28:59   (   0.27,-135.24) (   0.39,-134.84)   45.88                80
 09/15/2015   18:45:11   (  -0.29,-135.30) (   0.62,-139.41)  468.72                80
 09/16/2015   18:27:10   (  -0.28,-135.30) (  -0.46,-134.41)  101.24                80
 09/18/2015   06:43:29   (   0.30,-135.26) (  -0.56,-139.01)  427.76                80