Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2018 7 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)
 07/14/2018   06:27:14   (   0.13,-135.44) (  -0.10,-136.40)  109.64                80
 07/15/2018   06:03:54   (   0.15,-135.46) (   1.06,-131.42)  460.26                80
 07/16/2018   18:25:22   (  -0.12,-135.49) (  -0.04,-135.98)   54.78                80
 07/19/2018   06:23:38   (   0.12,-135.49) (   0.09,-135.57)    9.33                80
 07/21/2018   18:19:05   (  -0.11,-135.54) (  -0.18,-135.14)   44.93                80
 07/23/2018   06:40:42   (   0.07,-135.52) (  -0.87,-139.73)  480.25                80
 07/24/2018   06:17:22   (   0.10,-135.52) (   0.29,-134.75)   88.76                80
 07/25/2018   18:38:49   (  -0.07,-135.55) (   0.78,-139.29)  427.24                80
 07/26/2018   18:15:28   (  -0.10,-135.55) (  -0.38,-134.31)  141.23                80