Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 7 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 07/23/2018   18:40:35   (  -0.07,-135.53) (   0.42,-137.65)  242.01                80
 07/24/2018   18:17:16   (  -0.10,-135.52) (  -0.74,-132.66)  326.32                80
 07/26/2018   06:38:54   (   0.06,-135.49) (  -0.33,-137.25)  200.68                80
 07/27/2018   06:15:35   (   0.09,-135.48) (   0.84,-132.26)  367.32                80
 07/28/2018   18:37:04   (  -0.06,-135.50) (   0.23,-136.81)  148.99                80
 07/29/2018   18:13:44   (  -0.09,-135.50) (  -0.93,-131.83)  418.68                80
 07/31/2018   06:35:23   (   0.05,-135.45) (  -0.14,-136.41)  109.28                80
 08/01/2018   06:12:02   (   0.08,-135.44) (   0.97,-131.42)  458.14                80
 08/02/2018   18:33:32   (  -0.04,-135.45) (   0.09,-135.97)   58.97                80
 08/05/2018   06:31:50   (   0.03,-135.38) (  -0.00,-135.57)   21.08                80