Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2018 8 12.  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)
 08/13/2018   06:02:51   (   0.03,-135.19) (   0.88,-131.38)  434.16                80
 08/14/2018   18:24:19   (   0.02,-135.19) (   0.20,-135.93)   84.18                80
 08/15/2018   18:00:58   (  -0.01,-135.16) (  -0.97,-130.94)  481.33                80
 08/17/2018   06:22:34   (  -0.03,-135.07) (  -0.12,-135.53)   51.18                80
 08/19/2018   18:20:40   (   0.05,-135.04) (   0.08,-135.08)    5.71                80
 08/22/2018   06:16:16   (  -0.06,-134.91) (   0.01,-134.68)   26.36                80
 08/23/2018   18:37:43   (   0.10,-134.90) (   1.08,-139.23)  493.50                80
 08/24/2018   18:14:23   (   0.07,-134.86) (  -0.10,-134.24)   70.92                80
 08/26/2018   06:35:58   (  -0.11,-134.75) (  -1.04,-138.82)  463.48                80