Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 8 7.  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)
 08/10/2018   06:25:38   (   0.00,-135.26) (   0.13,-134.72)   62.16                80
 08/11/2018   18:47:07   (   0.04,-135.27) (   0.91,-139.27)  455.39                80
 08/12/2018   18:23:47   (   0.01,-135.25) (  -0.20,-134.27)  110.24                80
 08/14/2018   06:45:25   (  -0.05,-135.16) (  -0.89,-138.86)  422.15                80
 08/15/2018   06:22:05   (  -0.02,-135.13) (   0.28,-133.88)  143.47                80
 08/16/2018   18:43:34   (   0.06,-135.14) (   0.82,-138.42)  374.42                80
 08/17/2018   18:20:14   (   0.03,-135.11) (  -0.35,-133.43)  190.88                80
 08/19/2018   06:41:53   (  -0.08,-135.01) (  -0.73,-138.02)  342.30                80
 08/20/2018   06:18:32   (  -0.05,-134.98) (   0.38,-133.02)  222.70                80
 08/21/2018   18:40:01   (   0.09,-134.97) (   0.67,-137.57)  296.14                80