Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2019 3 18.  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)
 03/18/2019   18:14:03   (   0.00,-128.32) (   0.70,-131.44)  355.76                80
 03/19/2019   17:56:04   (   0.01,-128.31) (  -0.44,-126.45)  212.43                80
 03/21/2019   06:15:05   (  -0.01,-128.32) (  -0.63,-131.04)  309.99                80
 03/22/2019   05:51:46   (  -0.01,-128.31) (   0.51,-126.05)  257.84                80
 03/23/2019   18:10:39   (   0.01,-128.26) (   0.53,-130.61)  267.18                80
 03/24/2019   17:52:40   (   0.01,-128.25) (  -0.61,-125.62)  300.62                80
 03/26/2019   06:11:40   (  -0.01,-128.26) (  -0.45,-130.20)  222.37                80
 03/27/2019   05:48:22   (  -0.01,-128.24) (   0.68,-125.22)  344.90                80
 03/28/2019   18:07:14   (   0.00,-128.18) (   0.35,-129.77)  181.24                80
 03/29/2019   17:49:15   (   0.00,-128.17) (  -0.73,-124.77)  386.01                80
 03/31/2019   06:05:36   (   0.00,-128.17) (  -0.28,-129.37)  137.49                80
 04/01/2019   05:47:38   (  -0.00,-128.15) (   0.86,-124.38)  429.44                80