Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2019 11 21.  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)
 11/23/2019   06:05:19   (   0.22,-128.47) (   0.20,-128.56)    9.84                80
 11/25/2019   18:00:58   (  -0.21,-128.44) (  -0.31,-128.13)   36.17                76
 11/27/2019   06:22:34   (   0.20,-128.43) (  -0.77,-132.72)  488.27                80
 11/28/2019   05:59:15   (   0.20,-128.42) (   0.35,-127.72)   79.05                80
 11/29/2019   18:18:09   (  -0.19,-128.39) (   0.66,-132.29)  444.03                80
 11/30/2019   18:00:09   (  -0.19,-128.37) (  -0.41,-127.28)  123.47                80
 12/02/2019   06:19:11   (   0.18,-128.36) (  -0.61,-131.88)  401.24                80
 12/03/2019   05:55:52   (   0.18,-128.34) (   0.51,-126.89)  165.74                80
 12/04/2019   18:17:24   (  -0.17,-128.30) (   0.55,-131.44)  358.02                80
 12/05/2019   17:56:46   (  -0.17,-128.29) (  -0.57,-126.45)  209.13                80