Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2018 1 4.  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)
 01/04/2018   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)  428.29                80
 01/07/2018   06:19:19   (   0.04,-135.01) (   0.28,-133.80)  137.37                80
 01/08/2018   18:38:09   (  -0.03,-134.92) (   0.72,-138.37)  392.56                80
 01/09/2018   18:20:08   (  -0.04,-134.89) (  -0.40,-133.37)  173.17                80
 01/11/2018   06:39:06   (   0.03,-134.88) (  -0.68,-137.96)  350.83                80
 01/12/2018   06:15:45   (   0.03,-134.85) (   0.45,-132.97)  214.24                80
 01/13/2018   18:34:36   (  -0.03,-134.74) (   0.56,-137.53)  317.05                80
 01/14/2018   18:16:34   (  -0.03,-134.70) (  -0.50,-132.53)  247.98                80
 01/16/2018   06:35:32   (   0.02,-134.69) (  -0.51,-137.12)  276.83                80
 01/17/2018   06:12:12   (   0.03,-134.65) (   0.62,-132.13)  287.63                80