Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 11 9.  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)
 11/11/2018   06:03:08   (   0.28,-127.89) (   0.12,-128.53)   73.83                80
 11/12/2018   05:39:50   (   0.27,-127.92) (   1.28,-123.55)  498.58                80
 11/13/2018   17:58:44   (  -0.27,-128.01) (  -0.24,-128.11)   11.09                80
 11/16/2018   05:57:08   (   0.26,-128.07) (   0.35,-127.71)   40.73                80
 11/17/2018   18:16:01   (  -0.25,-128.14) (   0.68,-132.27)  471.36                80
 11/18/2018   17:58:03   (  -0.26,-128.17) (  -0.48,-127.29)  101.52                80
 11/20/2018   06:17:05   (   0.25,-128.21) (  -0.57,-131.88)  418.48                80
 11/21/2018   05:53:46   (   0.25,-128.23) (   0.53,-126.88)  152.88                80
 11/22/2018   18:12:39   (  -0.24,-128.28) (   0.49,-131.44)  361.18                80
 11/23/2018   17:54:42   (  -0.25,-128.31) (  -0.67,-126.46)  210.82                80