Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2019 9 18.  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)
 09/19/2019   17:49:31   (  -0.23,-128.00) (  -0.95,-124.81)  364.07                80
 09/21/2019   06:05:52   (   0.26,-127.90) (  -0.07,-129.40)  170.94                80
 09/22/2019   05:47:51   (   0.24,-127.87) (   0.99,-124.40)  394.71                80
 09/23/2019   18:04:02   (  -0.26,-127.86) (   0.01,-128.96)  126.26                80
 09/24/2019   17:46:03   (  -0.24,-127.82) (  -1.11,-123.97)  439.32                80
 09/26/2019   06:02:23   (   0.26,-127.72) (   0.09,-128.57)   96.41                80
 09/27/2019   05:44:23   (   0.25,-127.67) (   1.16,-123.56)  468.55                80
 09/28/2019   18:00:34   (  -0.27,-127.66) (  -0.15,-128.12)   53.52                80
 10/01/2019   05:58:54   (   0.28,-127.51) (   0.21,-127.72)   24.04                80