Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2018 11 19.  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)
 11/20/2018   17:50:04   (  -0.26,-128.24) (  -0.06,-129.01)   88.41                80
 11/21/2018   17:32:03   (  -0.26,-128.27) (  -1.19,-124.02)  484.39                80
 11/23/2018   05:51:00   (   0.25,-128.28) (   0.19,-128.62)   39.16                80
 11/25/2018   17:49:06   (  -0.24,-128.36) (  -0.29,-128.19)   19.53                80
 11/28/2018   05:44:41   (   0.23,-128.38) (   0.36,-127.79)   67.45                80
 11/29/2018   18:03:28   (  -0.22,-128.42) (   0.68,-132.35)  447.77                80
 11/30/2018   17:45:27   (  -0.22,-128.44) (  -0.46,-127.35)  123.73                80
 12/02/2018   06:04:24   (   0.21,-128.46) (  -0.54,-131.96)  398.30                80
 12/03/2018   05:41:01   (   0.22,-128.47) (   0.53,-126.95)  171.92                80