Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2018 12 27.  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)
 12/28/2018   18:02:11   (  -0.11,-128.55) (   0.75,-132.33)  432.00                80
 12/29/2018   17:44:10   (  -0.11,-128.54) (  -0.39,-127.34)  136.52                80
 12/31/2018   06:03:06   (   0.10,-128.54) (  -0.64,-131.94)  386.84                80
 01/01/2019   05:39:44   (   0.11,-128.52) (   0.45,-126.94)  180.51                80
 01/02/2019   17:58:31   (  -0.10,-128.48) (   0.59,-131.50)  343.66                80
 01/03/2019   17:40:29   (  -0.10,-128.47) (  -0.55,-126.51)  224.36                80
 01/05/2019   05:59:26   (   0.09,-128.47) (  -0.47,-131.10)  298.99                80
 01/06/2019   05:36:03   (   0.09,-128.45) (   0.62,-126.10)  267.89                80
 01/07/2019   17:54:51   (  -0.08,-128.40) (   0.43,-130.66)  257.91                80
 01/08/2019   17:36:48   (  -0.08,-128.38) (  -0.66,-125.66)  309.70                80
 01/10/2019   05:55:44   (   0.07,-128.38) (  -0.35,-130.26)  213.35                80