Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2019 11 17.  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)
 11/18/2019   06:08:42   (   0.23,-128.50) (   0.02,-129.39)  101.55                80
 11/19/2019   05:45:24   (   0.23,-128.50) (   1.16,-124.40)  466.69                80
 11/20/2019   18:04:16   (  -0.22,-128.49) (  -0.11,-128.96)   53.99                80
 11/23/2019   06:05:18   (   0.22,-128.47) (   0.20,-128.56)   10.04                80
 11/25/2019   18:03:32   (  -0.21,-128.44) (  -0.29,-128.12)   36.09                80
 11/27/2019   06:22:32   (   0.20,-128.42) (  -0.75,-132.71)  488.38                80
 11/28/2019   05:59:14   (   0.20,-128.41) (   0.39,-127.72)   78.98                80
 11/29/2019   18:18:06   (  -0.19,-128.38) (   0.66,-132.28)  444.02                80
 11/30/2019   18:00:06   (  -0.19,-128.36) (  -0.42,-127.27)  123.47                80