Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 11 8.  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)
 11/09/2018   17:44:07   (  -0.28,-127.91) (  -1.17,-123.94)  451.61                80
 11/11/2018   06:03:09   (   0.28,-127.97) (   0.18,-128.54)   64.55                80
 11/13/2018   18:01:25   (  -0.27,-128.16) (  -0.30,-128.12)    5.47                80
 11/16/2018   05:57:09   (   0.26,-128.29) (   0.41,-127.73)   65.10                80
 11/17/2018   18:16:02   (  -0.25,-128.40) (   0.62,-132.28)  443.14                80
 11/18/2018   17:58:04   (  -0.26,-128.46) (  -0.54,-127.30)  132.65                80
 11/20/2018   06:17:06   (   0.25,-128.54) (  -0.51,-131.89)  382.19                80
 11/21/2018   05:53:48   (   0.25,-128.59) (   0.66,-126.91)  192.21                80
 11/22/2018   18:12:41   (  -0.24,-128.68) (   0.37,-131.47)  317.85                80