Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2018 1 1.  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   06:22:52   (   0.06,-135.16) (   0.15,-134.65)   58.57                80
 01/03/2018   18:41:43   (  -0.05,-135.07) (   0.85,-139.21)  470.91                80
 01/04/2018   18:23:41   (  -0.05,-135.05) (  -0.21,-134.20)   95.31                80
 01/06/2018   06:42:39   (   0.04,-135.05) (  -0.81,-138.80)  427.71                80
 01/07/2018   06:19:19   (   0.04,-135.02) (   0.31,-133.81)  137.98                80
 01/08/2018   18:38:08   (  -0.03,-134.92) (   0.76,-138.36)  392.30                80
 01/09/2018   18:20:08   (  -0.04,-134.89) (  -0.36,-133.37)  173.53                80
 01/11/2018   06:39:06   (   0.03,-134.89) (  -0.65,-137.96)  349.80                80
 01/12/2018   06:15:46   (   0.04,-134.86) (   0.47,-132.97)  215.34                80
 01/13/2018   18:34:35   (  -0.03,-134.75) (   0.60,-137.52)  316.34                80
 01/14/2018   18:16:34   (  -0.03,-134.71) (  -0.53,-132.53)  248.77                80