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) (   0.87,-131.38)  434.16                80
 08/14/2018   18:24:18   (   0.02,-135.19) (   0.21,-135.92)   84.19                80
 08/15/2018   18:00:58   (  -0.01,-135.16) (  -0.96,-130.94)  481.35                80
 08/17/2018   06:22:34   (  -0.03,-135.07) (  -0.13,-135.52)   51.14                80
 08/19/2018   18:18:01   (   0.04,-135.04) (   0.04,-135.09)    5.21                80
 08/22/2018   06:16:16   (  -0.06,-134.91) (  -0.01,-134.68)   26.35                80
 08/23/2018   18:37:43   (   0.10,-134.90) (   1.09,-139.22)  493.44                80
 08/24/2018   18:14:23   (   0.07,-134.86) (  -0.08,-134.24)   70.92                80
 08/26/2018   06:35:59   (  -0.11,-134.75) (  -0.99,-138.83)  463.43                80