Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2018 12 23.  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)
 12/24/2018   17:47:50   (  -0.13,-128.59) (  -0.23,-128.18)   46.62                80
 12/26/2018   06:06:46   (   0.12,-128.59) (  -0.81,-132.78)  476.96                80
 12/27/2018   05:43:24   (   0.12,-128.57) (   0.28,-127.77)   90.72                80
 12/28/2018   18:02:11   (  -0.11,-128.54) (   0.76,-132.33)  432.18                80
 12/29/2018   17:44:10   (  -0.11,-128.54) (  -0.39,-127.34)  136.37                80
 12/31/2018   06:03:06   (   0.10,-128.54) (  -0.64,-131.94)  386.69                80
 01/01/2019   05:39:44   (   0.11,-128.53) (   0.45,-126.94)  180.64                80
 01/02/2019   17:58:31   (  -0.10,-128.48) (   0.59,-131.49)  343.83                80
 01/03/2019   17:40:29   (  -0.10,-128.47) (  -0.55,-126.51)  224.22                80
 01/05/2019   05:59:25   (   0.09,-128.47) (  -0.52,-131.09)  298.76                80
 01/06/2019   05:36:03   (   0.09,-128.45) (   0.63,-126.10)  268.11                80