Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2019 11 16.  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   06:08:43   (   0.23,-128.50) (   0.05,-129.40)  101.62                80
 11/19/2019   05:45:23   (   0.23,-128.50) (   1.13,-124.40)  466.58                80
 11/20/2019   18:04:17   (  -0.22,-128.48) (  -0.14,-128.96)   54.29                80
 11/23/2019   06:05:18   (   0.22,-128.46) (   0.17,-128.55)   10.73                80
 11/25/2019   18:03:31   (  -0.21,-128.43) (  -0.27,-128.12)   35.61                80
 11/27/2019   06:22:32   (   0.20,-128.42) (  -0.78,-132.70)  488.90                80
 11/28/2019   05:59:13   (   0.20,-128.40) (   0.36,-127.72)   78.35                80
 11/29/2019   18:18:05   (  -0.19,-128.37) (   0.68,-132.27)  444.74                80
 11/30/2019   18:00:07   (  -0.19,-128.35) (  -0.46,-127.28)  122.74                80