Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 11 6.  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)
 11/07/2018   05:45:53   (   0.29,-128.30) (   1.17,-124.39)  445.14                80
 11/08/2018   18:02:01   (  -0.28,-126.94) (   0.17,-128.88)  222.49                80
 11/09/2018   17:44:01   (  -0.28,-126.10) (  -0.81,-123.86)  255.98                80
 11/11/2018   06:00:17   (   0.28,-124.91) (  -0.53,-128.39)  396.95                80
 11/12/2018   05:42:16   (   0.27,-124.08) (   0.45,-123.36)   82.43                80
 11/14/2018   17:37:43   (  -0.26,-121.91) (  -0.04,-122.82)  104.40                80
 11/15/2018   17:19:42   (  -0.26,-121.07) (  -0.97,-117.78)  373.55                80
 11/17/2018   05:35:59   (   0.26,-119.85) (  -0.31,-122.32)  282.02                80
 11/18/2018   05:17:59   (   0.26,-119.02) (   0.67,-117.30)  196.98                80
 11/19/2018   17:34:07   (  -0.25,-117.70) (   0.66,-121.79)  466.21                80