Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2018 1 27.  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)
 01/28/2018   18:26:36   (   0.00,-135.06) (   0.02,-135.03)    3.83                80
 01/31/2018   06:22:14   (  -0.02,-135.15) (   0.10,-134.64)   57.80                80
 02/01/2018   18:41:04   (   0.03,-135.18) (   0.91,-139.21)  458.53                80
 02/02/2018   18:23:03   (   0.03,-135.21) (  -0.22,-134.22)  113.94                80
 02/04/2018   06:42:02   (  -0.03,-135.27) (  -0.79,-138.82)  403.55                80
 02/05/2018   06:18:40   (  -0.02,-135.29) (   0.28,-133.81)  168.42                80
 02/06/2018   18:37:31   (   0.02,-135.32) (   0.71,-138.38)  348.98                80
 02/07/2018   18:19:30   (   0.02,-135.34) (  -0.41,-133.39)  222.98                80
 02/09/2018   06:38:28   (  -0.02,-135.40) (  -0.59,-137.99)  295.16                80
 02/10/2018   06:15:08   (  -0.02,-135.41) (   0.53,-132.99)  276.05                80