Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2018 3 13.  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)
 03/15/2018   06:31:24   (  -0.00,-135.05) (  -0.47,-137.12)  235.99                80
 03/16/2018   06:13:23   (  -0.01,-135.02) (   0.63,-132.12)  330.01                80
 03/17/2018   18:29:31   (   0.00,-134.98) (   0.39,-136.68)  193.93                80
 03/18/2018   18:11:29   (   0.01,-134.94) (  -0.71,-131.68)  371.71                80
 03/20/2018   06:27:47   (  -0.00,-134.87) (  -0.34,-136.27)  159.83                80
 03/21/2018   06:09:45   (  -0.01,-134.83) (   0.77,-131.27)  405.32                80
 03/22/2018   18:25:54   (   0.00,-134.78) (   0.25,-135.83)  120.17                80
 03/23/2018   18:07:52   (   0.00,-134.73) (  -0.85,-130.83)  444.35                80
 03/25/2018   06:24:09   (   0.00,-134.65) (  -0.20,-135.42)   88.95                80
 03/26/2018   06:06:08   (   0.00,-134.60) (   0.91,-130.42)  475.24                80
 03/27/2018   18:22:16   (  -0.01,-134.53) (   0.11,-134.98)   51.48                80