Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2019 6 11.  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)
 06/11/2019   06:19:00   (   0.14,-128.33) (  -0.64,-131.93)  410.25                80
 06/12/2019   05:55:40   (   0.15,-128.32) (   0.46,-126.94)  157.10                80
 06/13/2019   18:17:13   (  -0.14,-128.34) (   0.54,-131.50)  360.17                80
 06/14/2019   17:53:53   (  -0.15,-128.32) (  -0.56,-126.50)  207.14                80
 06/16/2019   06:15:33   (   0.14,-128.25) (  -0.47,-131.10)  323.45                80
 06/17/2019   05:52:14   (   0.15,-128.24) (   0.63,-126.10)  243.24                80
 06/18/2019   18:13:46   (  -0.14,-128.25) (   0.37,-130.67)  275.18                80
 06/19/2019   17:50:27   (  -0.16,-128.23) (  -0.73,-125.67)  291.51                80
 06/21/2019   06:12:06   (   0.14,-128.16) (  -0.35,-130.25)  239.50                80
 06/22/2019   05:48:48   (   0.16,-128.13) (   0.81,-125.27)  326.75                80
 06/23/2019   18:10:19   (  -0.14,-128.14) (   0.26,-129.82)  192.38                80
 06/24/2019   17:47:00   (  -0.16,-128.12) (  -0.90,-124.84)  374.01                80