Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2019 9 15.  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)
 09/16/2019   06:09:20   (   0.25,-128.05) (  -0.26,-130.24)  249.87                80
 09/17/2019   05:51:20   (   0.23,-128.02) (   0.86,-125.25)  316.65                80
 09/18/2019   18:07:31   (  -0.25,-128.03) (   0.14,-129.81)  202.93                80
 09/19/2019   17:49:31   (  -0.23,-128.00) (  -0.93,-124.80)  363.55                80
 09/21/2019   06:05:51   (   0.26,-127.90) (  -0.10,-129.40)  171.22                80
 09/22/2019   05:47:52   (   0.24,-127.86) (   1.03,-124.41)  394.34                80
 09/23/2019   18:04:03   (  -0.26,-127.85) (  -0.02,-128.97)  127.17                80
 09/24/2019   17:46:03   (  -0.24,-127.81) (  -1.09,-123.96)  438.32                80
 09/26/2019   06:02:23   (   0.26,-127.71) (   0.07,-128.56)   97.08                80
 09/27/2019   05:44:23   (   0.25,-127.67) (   1.20,-123.57)  467.76                80
 09/28/2019   18:00:35   (  -0.27,-127.64) (  -0.19,-128.13)   54.96                80