Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2018 1 31.  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)
 02/01/2018   18:41:03   (   0.03,-135.18) (   0.94,-139.20)  458.69                80
 02/02/2018   18:23:03   (   0.03,-135.21) (  -0.18,-134.21)  113.68                80
 02/04/2018   06:42:01   (  -0.03,-135.26) (  -0.82,-138.81)  404.75                80
 02/05/2018   06:18:41   (  -0.02,-135.28) (   0.30,-133.82)  167.11                80
 02/06/2018   18:37:31   (   0.02,-135.31) (   0.69,-138.38)  349.52                80
 02/07/2018   18:19:30   (   0.02,-135.34) (  -0.44,-133.39)  222.36                80
 02/09/2018   06:38:28   (  -0.02,-135.38) (  -0.63,-137.98)  296.81                80
 02/10/2018   06:15:07   (  -0.02,-135.40) (   0.50,-132.99)  274.38                80
 02/11/2018   18:33:58   (   0.01,-135.42) (   0.49,-137.56)  243.87                80
 02/12/2018   18:15:57   (   0.00,-135.43) (  -0.64,-132.56)  327.24                80
 02/14/2018   06:34:55   (  -0.00,-135.47) (  -0.37,-137.16)  192.83                80