Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2018 9 26.  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)
 09/26/2018   18:30:32   (  -0.28,-135.63) (   0.34,-138.52)  328.26                80
 09/27/2018   18:12:31   (  -0.27,-135.65) (  -0.77,-133.52)  242.90                80
 09/29/2018   06:28:47   (   0.29,-135.59) (  -0.28,-138.11)  288.07                80
 09/30/2018   06:10:46   (   0.27,-135.59) (   0.84,-133.12)  281.98                80
 10/01/2018   18:26:55   (  -0.29,-135.67) (   0.15,-137.69)  230.11                80
 10/02/2018   18:08:53   (  -0.27,-135.67) (  -0.91,-132.68)  339.90                80
 10/04/2018   06:27:50   (   0.29,-135.60) (  -0.08,-137.28)  192.00                80
 10/05/2018   06:07:08   (   0.28,-135.59) (   1.04,-132.29)  377.09                80
 10/06/2018   18:23:18   (  -0.30,-135.66) (  -0.06,-136.86)  136.62                80
 10/07/2018   18:05:15   (  -0.29,-135.66) (  -1.12,-131.85)  432.88                80
 10/09/2018   06:24:12   (   0.30,-135.59) (   0.13,-136.46)   98.89                80
 10/10/2018   06:00:50   (   0.29,-135.58) (   1.19,-131.45)  469.78                80