Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2019 9 10.  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)
 09/11/2019   06:12:48   (   0.22,-128.17) (  -0.42,-131.08)  331.23                80
 09/12/2019   05:54:48   (   0.21,-128.15) (   0.70,-126.09)  235.73                80
 09/13/2019   18:10:59   (  -0.23,-128.15) (   0.30,-130.65)  283.68                80
 09/14/2019   17:52:59   (  -0.22,-128.13) (  -0.76,-125.64)  283.51                80
 09/16/2019   06:09:19   (   0.25,-128.05) (  -0.27,-130.24)  249.49                80
 09/17/2019   05:51:20   (   0.23,-128.03) (   0.85,-125.24)  317.03                80
 09/18/2019   18:07:31   (  -0.25,-128.02) (   0.15,-129.81)  203.59                80
 09/19/2019   17:49:32   (  -0.24,-127.99) (  -0.97,-124.81)  362.92                80
 09/21/2019   06:05:52   (   0.26,-127.91) (  -0.05,-129.41)  170.72                80
 09/22/2019   05:47:52   (   0.24,-127.87) (   1.01,-124.40)  394.84                80
 09/23/2019   18:04:03   (  -0.26,-127.84) (  -0.00,-128.97)  127.78                80