Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2019 8 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)
 08/21/2019   17:46:54   (   0.05,-128.45) (  -0.76,-124.78)  418.64                80
 08/23/2019   06:08:35   (  -0.09,-128.44) (  -0.27,-129.37)  106.00                80
 08/24/2019   05:45:15   (  -0.07,-128.43) (   0.84,-124.38)  461.71                80
 08/25/2019   18:06:45   (   0.11,-128.43) (   0.22,-128.93)   56.79                80
 08/28/2019   06:05:06   (  -0.12,-128.39) (  -0.14,-128.53)   15.04                80
 08/30/2019   18:00:37   (   0.13,-128.37) (   0.09,-128.08)   31.94                80
 09/01/2019   06:22:17   (  -0.17,-128.34) (  -1.12,-132.68)  493.68                80
 09/02/2019   05:58:58   (  -0.14,-128.32) (  -0.01,-127.68)   72.90                80
 09/03/2019   18:20:28   (   0.18,-128.30) (   1.07,-132.23)  448.06                80