Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2018 1 2.  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)
 01/03/2018   18:41:42   (  -0.05,-135.07) (   0.88,-139.21)  470.84                80
 01/04/2018   18:23:42   (  -0.05,-135.05) (  -0.24,-134.21)   95.30                80
 01/06/2018   06:42:40   (   0.04,-135.05) (  -0.78,-138.81)  427.95                80
 01/07/2018   06:19:19   (   0.04,-135.02) (   0.34,-133.81)  137.75                80
 01/08/2018   18:38:09   (  -0.03,-134.92) (   0.73,-138.37)  392.31                80
 01/09/2018   18:20:08   (  -0.04,-134.89) (  -0.39,-133.37)  173.48                80
 01/11/2018   06:39:07   (   0.03,-134.89) (  -0.63,-137.97)  350.17                80
 01/12/2018   06:15:45   (   0.04,-134.85) (   0.44,-132.96)  214.97                80
 01/13/2018   18:34:35   (  -0.03,-134.75) (   0.57,-137.53)  316.48                80
 01/14/2018   18:16:34   (  -0.03,-134.71) (  -0.49,-132.52)  248.63                80
 01/16/2018   06:35:32   (   0.03,-134.70) (  -0.52,-137.12)  275.84                80