Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2019 10 8.  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)
 10/10/2019   06:15:19   (   0.29,-127.91) (  -0.42,-131.07)  360.31                80
 10/11/2019   05:51:59   (   0.28,-127.94) (   0.71,-126.08)  212.61                80
 10/12/2019   18:10:51   (  -0.29,-127.98) (   0.31,-130.64)  302.94                80
 10/13/2019   17:52:51   (  -0.29,-128.01) (  -0.82,-125.64)  270.24                80
 10/15/2019   06:11:52   (   0.29,-128.08) (  -0.17,-130.25)  246.83                80
 10/16/2019   05:48:31   (   0.29,-128.10) (   0.90,-125.24)  325.48                80
 10/17/2019   18:07:23   (  -0.29,-128.13) (   0.06,-129.82)  191.70                80
 10/18/2019   17:49:23   (  -0.28,-128.16) (  -1.01,-124.81)  380.62                80
 10/20/2019   06:08:23   (   0.29,-128.21) (   0.03,-129.42)  137.26                80
 10/21/2019   05:45:03   (   0.28,-128.23) (   1.10,-124.41)  434.04                80
 10/22/2019   18:03:55   (  -0.28,-128.23) (  -0.13,-128.98)   85.01                80