Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2019 9 17.  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)
 09/18/2019   18:07:32   (  -0.25,-128.03) (   0.12,-129.81)  202.62                80
 09/19/2019   17:49:31   (  -0.23,-128.00) (  -0.94,-124.81)  363.90                80
 09/21/2019   06:05:51   (   0.26,-127.90) (  -0.08,-129.40)  171.06                80
 09/22/2019   05:47:52   (   0.24,-127.87) (   1.04,-124.41)  394.56                80
 09/23/2019   18:04:03   (  -0.26,-127.86) (  -0.04,-128.97)  126.63                80
 09/24/2019   17:46:03   (  -0.24,-127.82) (  -1.10,-123.97)  438.92                80
 09/26/2019   06:02:23   (   0.26,-127.71) (   0.09,-128.56)   96.71                80
 09/27/2019   05:44:23   (   0.25,-127.67) (   1.15,-123.56)  468.19                80
 09/28/2019   18:00:34   (  -0.27,-127.65) (  -0.14,-128.12)   54.14                80
 10/01/2019   06:01:35   (   0.28,-127.51) (   0.26,-127.73)   24.66                80