Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 7 2.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 07/03/2018   06:12:30   (   0.17,-135.24) (   1.04,-131.45)  432.24                80
 07/04/2018   18:34:01   (  -0.15,-135.30) (   0.00,-136.00)   80.39                80
 07/05/2018   18:10:41   (  -0.17,-135.32) (  -1.16,-131.02)  490.75                80
 07/07/2018   06:32:20   (   0.14,-135.33) (   0.10,-135.61)   31.43                80
 07/09/2018   18:27:49   (  -0.14,-135.39) (  -0.17,-135.17)   25.64                80
 07/11/2018   06:49:28   (   0.11,-135.39) (  -0.89,-139.75)  498.07                80
 07/12/2018   06:26:08   (   0.13,-135.40) (   0.27,-134.77)   71.69                80
 07/13/2018   18:47:38   (  -0.10,-135.44) (   0.76,-139.33)  443.24                80
 07/14/2018   18:24:19   (  -0.13,-135.44) (  -0.40,-134.34)  126.10                80
 07/16/2018   06:45:57   (   0.10,-135.43) (  -0.66,-138.93)  398.60                80