Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2018 3 12.  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)
 03/13/2018   18:15:06   (   0.01,-135.11) (  -0.54,-132.52)  294.40                80
 03/15/2018   06:31:24   (  -0.00,-135.05) (  -0.45,-137.13)  236.03                80
 03/16/2018   06:13:23   (  -0.01,-135.02) (   0.65,-132.13)  329.96                80
 03/17/2018   18:29:31   (   0.00,-134.98) (   0.37,-136.68)  193.94                80
 03/18/2018   18:11:30   (   0.01,-134.94) (  -0.73,-131.69)  371.70                80
 03/20/2018   06:27:47   (  -0.01,-134.87) (  -0.32,-136.28)  159.89                80
 03/21/2018   06:09:46   (  -0.01,-134.83) (   0.78,-131.28)  405.23                80
 03/22/2018   18:25:54   (   0.00,-134.78) (   0.24,-135.83)  120.21                80
 03/23/2018   18:07:52   (   0.01,-134.73) (  -0.87,-130.83)  444.29                80
 03/25/2018   06:24:10   (   0.00,-134.65) (  -0.18,-135.43)   89.03                80
 03/26/2018   06:06:08   (  -0.00,-134.60) (   0.92,-130.43)  475.10                80