Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2018 1 15.  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)
 01/16/2018   06:35:32   (   0.02,-134.64) (  -0.55,-137.11)  282.12                80
 01/17/2018   06:12:11   (   0.02,-134.59) (   0.57,-132.12)  281.73                80
 01/18/2018   18:31:01   (  -0.01,-134.47) (   0.50,-136.67)  251.76                80
 01/19/2018   18:13:00   (  -0.01,-134.42) (  -0.63,-131.68)  311.96                80
 01/21/2018   06:31:57   (   0.00,-134.39) (  -0.44,-136.27)  214.70                80
 01/22/2018   06:08:37   (   0.00,-134.33) (   0.68,-131.27)  348.59                80
 01/23/2018   18:27:26   (   0.00,-134.20) (   0.38,-135.83)  186.10                80
 01/24/2018   18:09:26   (  -0.00,-134.14) (  -0.74,-130.84)  376.78                80
 01/26/2018   06:28:23   (  -0.00,-134.10) (  -0.32,-135.42)  151.31                80
 01/27/2018   06:05:03   (   0.00,-134.04) (   0.81,-130.43)  410.94                80
 01/28/2018   18:23:52   (  -0.00,-133.88) (   0.26,-134.98)  125.53                80
 01/29/2018   18:05:51   (  -0.00,-133.82) (  -0.87,-129.99)  436.36                80