Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2019 11 20.  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)
 11/20/2019   18:04:16   (  -0.22,-128.49) (  -0.11,-128.96)   53.79                80
 11/23/2019   06:05:18   (   0.22,-128.47) (   0.20,-128.56)    9.61                80
 11/25/2019   18:03:32   (  -0.21,-128.44) (  -0.30,-128.12)   36.74                80
 11/27/2019   06:22:32   (   0.20,-128.43) (  -0.75,-132.71)  487.63                80
 11/28/2019   05:59:14   (   0.20,-128.42) (   0.39,-127.72)   79.83                80
 11/29/2019   18:18:06   (  -0.19,-128.38) (   0.65,-132.28)  443.02                80
 11/30/2019   18:00:06   (  -0.19,-128.37) (  -0.43,-127.28)  124.54                80
 12/02/2019   06:19:07   (   0.18,-128.35) (  -0.62,-131.86)  400.12                80
 12/03/2019   05:55:48   (   0.18,-128.34) (   0.52,-126.87)  166.96                80