Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2019 10 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)
 10/21/2019   05:45:08   (   0.28,-128.22) (   1.16,-124.42)  433.82                80
 10/22/2019   18:04:01   (  -0.28,-128.26) (  -0.11,-128.97)   81.60                80
 10/23/2019   17:46:02   (  -0.28,-128.28) (  -1.24,-123.98)  490.08                80
 10/25/2019   06:05:04   (   0.28,-128.31) (   0.23,-128.58)   30.59                80
 10/27/2019   18:03:17   (  -0.28,-128.36) (  -0.30,-128.14)   24.27                80
 10/29/2019   06:22:19   (   0.29,-128.39) (  -0.70,-132.74)  496.18                80
 10/30/2019   05:59:00   (   0.28,-128.40) (   0.43,-127.75)   74.46                80
 10/31/2019   18:17:54   (  -0.28,-128.42) (   0.57,-132.31)  443.44                80
 11/01/2019   17:59:54   (  -0.27,-128.43) (  -0.50,-127.31)  127.37                80
 11/03/2019   06:18:55   (   0.27,-128.46) (  -0.50,-131.91)  393.19                80