Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 8 30.  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)
 08/31/2018   18:30:21   (  -0.17,-134.88) (   0.06,-135.95)  121.78                80
 09/01/2018   18:12:21   (  -0.15,-134.92) (  -1.05,-130.95)  452.89                80
 09/03/2018   06:28:40   (   0.18,-134.90) (   0.04,-135.55)   74.36                80
 09/04/2018   06:10:39   (   0.16,-134.94) (   1.15,-130.56)  499.30                80
 09/05/2018   18:26:50   (  -0.19,-135.07) (  -0.17,-135.12)    6.15                80
 09/08/2018   06:27:48   (   0.21,-135.08) (   0.28,-134.73)   39.44                80
 09/09/2018   18:43:59   (  -0.24,-135.20) (   0.70,-139.30)  467.58                80
 09/10/2018   18:25:58   (  -0.22,-135.23) (  -0.41,-134.30)  105.80                80
 09/12/2018   06:42:18   (   0.25,-135.21) (  -0.59,-138.90)  421.39                80
 09/13/2018   06:24:17   (   0.23,-135.23) (   0.53,-133.91)  151.27                80