Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2018 11 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-A Lat/Lon    Distance(km)  Time Diff(sec)
 11/19/2018   05:31:16   (   0.26,-128.15) (   1.06,-124.45)  421.82                80
 11/20/2018   17:50:05   (  -0.25,-128.24) (  -0.08,-129.02)   88.52                80
 11/21/2018   17:32:03   (  -0.26,-128.27) (  -1.22,-124.03)  484.22                80
 11/23/2018   05:50:59   (   0.25,-128.28) (   0.15,-128.62)   39.25                80
 11/25/2018   17:49:05   (  -0.24,-128.36) (  -0.25,-128.18)   19.49                80
 11/28/2018   05:44:41   (   0.23,-128.38) (   0.38,-127.79)   67.27                80
 11/29/2018   18:03:28   (  -0.22,-128.42) (   0.66,-132.35)  448.21                80
 11/30/2018   17:45:27   (  -0.22,-128.44) (  -0.48,-127.36)  123.26                80
 12/02/2018   06:04:23   (   0.21,-128.45) (  -0.58,-131.95)  398.64                80