Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2018 9 4.  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)
 09/05/2018   06:26:09   (   0.19,-135.00) (  -0.31,-137.23)  254.34                80
 09/06/2018   06:08:08   (   0.16,-135.03) (   0.81,-132.23)  319.47                80
 09/07/2018   18:24:17   (  -0.20,-135.17) (   0.16,-136.81)  185.79                80
 09/08/2018   18:06:16   (  -0.18,-135.21) (  -0.95,-131.81)  388.08                80
 09/10/2018   06:22:33   (   0.21,-135.18) (  -0.05,-136.41)  139.78                80
 09/11/2018   06:04:31   (   0.19,-135.22) (   1.01,-131.40)  433.61                80
 09/12/2018   18:20:41   (  -0.22,-135.35) (  -0.09,-135.99)   72.42                80
 09/15/2018   06:18:56   (   0.23,-135.35) (   0.16,-135.58)   27.00                80
 09/17/2018   18:19:43   (  -0.24,-135.50) (  -0.30,-135.16)   38.31                80