Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2018 5 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)
 05/14/2018   18:30:44   (  -0.14,-135.42) (   0.18,-136.78)  155.42                80
 05/15/2018   18:07:24   (  -0.14,-135.40) (  -0.96,-131.79)  411.95                80
 05/17/2018   06:26:21   (   0.15,-135.36) (  -0.08,-136.38)  117.08                80
 05/18/2018   06:08:20   (   0.15,-135.34) (   1.01,-131.38)  449.82                80
 05/19/2018   18:27:10   (  -0.16,-135.32) (  -0.04,-135.96)   72.15                80
 05/20/2018   18:03:49   (  -0.16,-135.30) (  -1.13,-130.96)  494.27                80
 05/22/2018   06:22:46   (   0.16,-135.24) (   0.09,-135.55)   35.92                80
 05/24/2018   18:20:54   (  -0.17,-135.19) (  -0.16,-135.11)    8.87                80
 05/27/2018   06:21:51   (   0.17,-135.10) (   0.28,-134.72)   43.80                80