Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2019 1 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)
 01/18/2019   05:54:35   (   0.05,-128.11) (   0.35,-126.87)  142.21                80
 01/19/2019   18:13:26   (  -0.03,-128.01) (   0.74,-131.41)  388.27                80
 01/20/2019   17:55:27   (  -0.04,-127.97) (  -0.38,-126.42)  176.93                80
 01/22/2019   06:14:29   (   0.03,-127.96) (  -0.67,-131.01)  347.30                80
 01/23/2019   05:51:10   (   0.03,-127.92) (   0.45,-126.02)  217.04                80
 01/24/2019   18:10:02   (  -0.02,-127.81) (   0.59,-130.57)  314.75                80
 01/25/2019   17:52:04   (  -0.02,-127.77) (  -0.53,-125.58)  250.21                80
 01/27/2019   06:11:05   (   0.01,-127.77) (  -0.51,-130.17)  273.67                80
 01/28/2019   05:47:46   (   0.02,-127.72) (   0.56,-125.17)  290.40                80
 01/29/2019   18:06:38   (  -0.01,-127.60) (   0.49,-129.72)  242.86                80
 01/30/2019   17:48:40   (  -0.02,-127.55) (  -0.63,-124.73)  321.58                80