Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2019 9 23.  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)
 09/23/2019   18:04:03   (  -0.26,-127.87) (  -0.00,-128.96)  125.05                80
 09/24/2019   17:46:03   (  -0.24,-127.83) (  -1.12,-123.97)  440.75                80
 09/26/2019   06:02:23   (   0.26,-127.73) (   0.11,-128.57)   94.92                80
 09/27/2019   05:44:23   (   0.25,-127.69) (   1.17,-123.56)  470.34                80
 09/28/2019   18:00:34   (  -0.27,-127.68) (  -0.17,-128.13)   51.02                80
 10/01/2019   05:58:54   (   0.28,-127.54) (   0.22,-127.72)   21.27                80
 10/03/2019   17:59:46   (  -0.28,-127.47) (  -0.33,-127.29)   21.09                80
 10/06/2019   05:58:06   (   0.28,-127.32) (   0.40,-126.88)   50.23                80