Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 8 11.  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)
 08/11/2018   18:47:07   (   0.04,-135.27) (   0.92,-139.27)  455.36                80
 08/12/2018   18:23:46   (   0.01,-135.24) (  -0.19,-134.27)  110.32                80
 08/14/2018   06:45:25   (  -0.05,-135.16) (  -0.89,-138.86)  421.81                80
 08/15/2018   06:22:05   (  -0.02,-135.13) (   0.28,-133.87)  143.85                80
 08/16/2018   18:43:35   (   0.06,-135.14) (   0.76,-138.43)  374.18                80
 08/17/2018   18:20:14   (   0.03,-135.11) (  -0.35,-133.43)  191.16                80
 08/19/2018   06:41:52   (  -0.08,-135.01) (  -0.73,-138.02)  341.75                80
 08/20/2018   06:18:32   (  -0.05,-134.98) (   0.38,-133.02)  223.30                80
 08/21/2018   18:40:01   (   0.09,-134.98) (   0.66,-137.57)  295.67                80
 08/22/2018   18:16:41   (   0.06,-134.94) (  -0.45,-132.58)  268.95                80
 08/24/2018   06:38:19   (  -0.11,-134.84) (  -0.62,-137.16)  265.03                80
 08/25/2018   06:14:59   (  -0.07,-134.80) (   0.49,-132.17)  299.34                80