Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2019 5 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)
 05/04/2019   06:05:05   (   0.09,-128.15) (   0.01,-128.58)   48.84                80
 05/06/2019   18:03:17   (  -0.10,-128.23) (  -0.11,-128.15)    9.60                80
 05/09/2019   05:59:00   (   0.11,-128.25) (   0.23,-127.76)   56.21                80
 05/10/2019   18:17:52   (  -0.11,-128.29) (   0.81,-132.31)  458.33                80
 05/11/2019   17:59:53   (  -0.11,-128.31) (  -0.34,-127.33)  112.10                80
 05/13/2019   06:18:54   (   0.12,-128.30) (  -0.68,-131.93)  412.70                80
 05/14/2019   05:55:35   (   0.12,-128.31) (   0.41,-126.93)  157.54                80
 05/15/2019   18:14:27   (  -0.12,-128.35) (   0.58,-131.49)  357.46                80
 05/16/2019   17:56:28   (  -0.12,-128.37) (  -0.52,-126.49)  212.76                80