Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2019 10 1.  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)
 10/01/2019   06:01:35   (   0.28,-127.55) (   0.26,-127.73)   19.74                80
 10/03/2019   17:59:46   (  -0.28,-127.48) (  -0.32,-127.28)   22.36                80
 10/06/2019   05:58:05   (   0.28,-127.34) (   0.38,-126.88)   52.36                80
 10/07/2019   18:14:17   (  -0.29,-127.30) (   0.63,-131.44)  471.99                80
 10/08/2019   17:56:16   (  -0.28,-127.25) (  -0.44,-126.43)   92.74                80
 10/10/2019   06:15:16   (   0.29,-127.16) (  -0.56,-131.04)  441.65                80
 10/11/2019   05:54:36   (   0.28,-127.11) (   0.51,-126.03)  122.48                80
 10/12/2019   18:10:47   (  -0.29,-127.06) (   0.50,-130.59)  402.81                80
 10/13/2019   17:52:48   (  -0.29,-127.01) (  -0.62,-125.60)  161.51                80