Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2019 3 4.  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)
 03/04/2019   18:03:36   (   0.01,-128.36) (   0.14,-128.94)   65.84                80
 03/07/2019   06:04:38   (  -0.01,-128.40) (  -0.07,-128.53)   16.44                80
 03/09/2019   18:02:52   (   0.01,-128.37) (  -0.07,-128.11)   29.75                80
 03/11/2019   06:21:53   (  -0.01,-128.40) (  -0.99,-132.70)  490.45                80
 03/12/2019   05:58:34   (  -0.01,-128.39) (   0.14,-127.71)   77.97                80
 03/13/2019   18:17:27   (   0.01,-128.35) (   0.91,-132.26)  447.06                80
 03/14/2019   17:59:28   (   0.00,-128.34) (  -0.22,-127.28)  121.06                80
 03/16/2019   06:18:29   (  -0.00,-128.36) (  -0.77,-131.88)  400.41                80
 03/17/2019   05:55:10   (   0.00,-128.35) (   0.30,-126.87)  167.13                80