Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2019 4 27.  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)
 04/29/2019   06:08:29   (   0.09,-128.01) (  -0.22,-129.40)  158.57                80
 04/30/2019   05:45:09   (   0.09,-128.03) (   0.87,-124.40)  413.50                80
 05/01/2019   18:04:02   (  -0.09,-128.11) (   0.12,-128.97)   98.14                80
 05/02/2019   17:46:03   (  -0.09,-128.14) (  -1.02,-123.98)  473.77                80
 05/04/2019   06:05:05   (   0.09,-128.14) (  -0.00,-128.58)   49.85                80
 05/06/2019   18:03:17   (  -0.10,-128.22) (  -0.10,-128.14)    8.81                80
 05/09/2019   05:59:00   (   0.11,-128.23) (   0.22,-127.76)   54.33                80
 05/10/2019   18:17:52   (  -0.11,-128.28) (   0.77,-132.32)  460.04                80
 05/11/2019   17:59:53   (  -0.12,-128.29) (  -0.32,-127.32)  110.22                80