Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2019 9 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)
 09/21/2019   06:05:51   (   0.26,-127.90) (  -0.10,-129.40)  170.86                80
 09/22/2019   05:47:52   (   0.24,-127.87) (   1.02,-124.41)  394.87                80
 09/23/2019   18:04:03   (  -0.26,-127.86) (  -0.02,-128.97)  125.87                80
 09/24/2019   17:46:02   (  -0.24,-127.83) (  -1.08,-123.96)  439.74                80
 09/26/2019   06:02:23   (   0.26,-127.72) (   0.07,-128.56)   96.05                80
 09/27/2019   05:44:23   (   0.25,-127.68) (   1.19,-123.57)  468.96                80
 09/28/2019   18:00:35   (  -0.27,-127.66) (  -0.18,-128.13)   52.90                80
 10/01/2019   05:58:54   (   0.28,-127.52) (   0.24,-127.72)   23.33                80
 10/03/2019   17:59:45   (  -0.28,-127.44) (  -0.29,-127.28)   18.41                80