Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2019 1 20.  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)
 01/22/2019   06:14:29   (   0.02,-127.96) (  -0.66,-131.01)  347.26                80
 01/23/2019   05:51:10   (   0.03,-127.92) (   0.47,-126.02)  217.23                80
 01/24/2019   18:10:03   (  -0.02,-127.82) (   0.57,-130.57)  313.75                80
 01/25/2019   17:52:03   (  -0.02,-127.78) (  -0.49,-125.57)  251.34                80
 01/27/2019   06:11:05   (   0.01,-127.77) (  -0.55,-130.16)  273.00                80
 01/28/2019   05:47:46   (   0.02,-127.73) (   0.58,-125.17)  291.19                80
 01/29/2019   18:06:38   (  -0.01,-127.61) (   0.47,-129.73)  241.19                80
 01/30/2019   17:48:40   (  -0.01,-127.57) (  -0.65,-124.73)  323.36                80
 02/01/2019   06:07:41   (   0.01,-127.56) (  -0.37,-129.33)  201.13                80
 02/02/2019   05:44:23   (   0.01,-127.51) (   0.75,-124.34)  362.59                80
 02/03/2019   18:03:14   (  -0.00,-127.38) (   0.36,-128.88)  171.21                80