Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2018 3 14.  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   06:31:25   (  -0.00,-135.05) (  -0.44,-137.13)  235.95                80
 03/16/2018   06:13:23   (  -0.01,-135.02) (   0.66,-132.13)  330.07                80
 03/17/2018   18:29:31   (   0.00,-134.98) (   0.36,-136.69)  193.95                80
 03/18/2018   18:11:30   (   0.01,-134.94) (  -0.74,-131.69)  371.72                80
 03/20/2018   06:27:47   (  -0.00,-134.88) (  -0.31,-136.28)  159.73                80
 03/21/2018   06:09:46   (  -0.01,-134.83) (   0.79,-131.28)  405.40                80
 03/22/2018   18:25:54   (  -0.00,-134.78) (   0.23,-135.84)  120.14                80
 03/23/2018   18:07:53   (   0.00,-134.73) (  -0.88,-130.84)  444.38                80
 03/25/2018   06:24:10   (   0.01,-134.65) (  -0.17,-135.43)   88.79                80
 03/26/2018   06:06:08   (   0.00,-134.60) (   0.94,-130.43)  475.34                80
 03/27/2018   18:22:17   (  -0.01,-134.53) (   0.08,-134.99)   51.41                80