Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2019 10 19.  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)
 10/20/2019   06:08:26   (   0.29,-128.20) (  -0.01,-129.40)  137.84                80
 10/21/2019   05:45:08   (   0.28,-128.22) (   1.12,-124.41)  433.72                80
 10/22/2019   18:04:01   (  -0.28,-128.26) (  -0.14,-128.98)   81.78                80
 10/23/2019   17:46:03   (  -0.28,-128.28) (  -1.26,-123.99)  489.85                80
 10/25/2019   06:05:04   (   0.28,-128.31) (   0.25,-128.58)   31.06                80
 10/27/2019   18:03:18   (  -0.29,-128.35) (  -0.33,-128.15)   23.59                80
 10/29/2019   06:22:19   (   0.29,-128.38) (  -0.68,-132.74)  496.74                80
 10/30/2019   05:59:01   (   0.28,-128.39) (   0.45,-127.75)   73.88                80
 10/31/2019   18:17:53   (  -0.28,-128.41) (   0.61,-132.30)  444.18                80
 11/01/2019   17:59:54   (  -0.28,-128.42) (  -0.52,-127.31)  126.55                80