Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2019 9 20.  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   (   0.25,-127.91) (  -0.08,-129.40)  170.64                80
 09/22/2019   05:47:51   (   0.24,-127.87) (   0.98,-124.40)  395.17                80
 09/23/2019   18:04:03   (  -0.26,-127.87) (  -0.04,-128.97)  125.43                80
 09/24/2019   17:46:03   (  -0.24,-127.83) (  -1.10,-123.97)  440.30                80
 09/26/2019   06:02:23   (   0.26,-127.73) (   0.09,-128.56)   95.41                80
 09/27/2019   05:44:23   (   0.25,-127.69) (   1.15,-123.56)  469.69                80
 09/28/2019   18:00:34   (  -0.27,-127.67) (  -0.14,-128.12)   52.03                80
 10/01/2019   06:01:35   (   0.28,-127.53) (   0.26,-127.73)   22.39                80
 10/03/2019   17:59:46   (  -0.28,-127.46) (  -0.31,-127.28)   19.59                80