Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2018 7 21.  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)
 07/23/2018   06:40:42   (   0.07,-135.50) (  -0.88,-139.73)  482.40                80
 07/24/2018   06:17:21   (   0.10,-135.49) (   0.28,-134.74)   86.15                80
 07/25/2018   18:38:49   (  -0.06,-135.52) (   0.79,-139.29)  429.83                80
 07/26/2018   18:15:28   (  -0.09,-135.52) (  -0.37,-134.31)  138.28                80
 07/28/2018   06:37:06   (   0.06,-135.48) (  -0.68,-138.90)  389.22                80
 07/29/2018   06:13:44   (   0.09,-135.47) (   0.43,-133.90)  178.61                80
 07/30/2018   18:35:12   (  -0.05,-135.49) (   0.59,-138.46)  338.17                80
 07/31/2018   18:11:51   (  -0.08,-135.48) (  -0.52,-133.47)  229.34                80
 08/02/2018   06:33:28   (   0.04,-135.43) (  -0.53,-138.06)  298.99                80
 08/03/2018   06:10:07   (   0.07,-135.42) (   0.58,-133.06)  268.20                80