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)
 01/02/2018   06:22:53   (   0.06,-135.16) (   0.17,-134.65)   58.53                80
 01/03/2018   18:41:42   (  -0.05,-135.07) (   0.89,-139.20)  470.91                80
 01/04/2018   18:23:41   (  -0.05,-135.05) (  -0.23,-134.21)   95.27                80
 01/06/2018   06:42:40   (   0.04,-135.05) (  -0.80,-138.81)  427.71                80
 01/07/2018   06:19:19   (   0.04,-135.02) (   0.32,-133.81)  137.98                80
 01/08/2018   18:38:09   (  -0.03,-134.92) (   0.74,-138.36)  392.30                80
 01/09/2018   18:20:08   (  -0.04,-134.89) (  -0.38,-133.37)  173.51                80
 01/11/2018   06:39:06   (   0.03,-134.89) (  -0.63,-137.97)  349.83                80
 01/12/2018   06:15:45   (   0.04,-134.86) (   0.43,-132.96)  215.33                80
 01/13/2018   18:34:35   (  -0.03,-134.75) (   0.58,-137.53)  316.36                80
 01/14/2018   18:16:35   (  -0.03,-134.71) (  -0.55,-132.53)  248.76                80