Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2019 4 30.  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)
 05/01/2019   18:04:02   (  -0.09,-128.11) (   0.09,-128.97)   97.91                80
 05/02/2019   17:46:03   (  -0.09,-128.14) (  -1.00,-123.97)  474.02                80
 05/04/2019   06:05:04   (   0.09,-128.14) (  -0.03,-128.57)   49.46                80
 05/06/2019   18:03:18   (  -0.10,-128.23) (  -0.13,-128.15)    9.14                80
 05/09/2019   05:59:00   (   0.11,-128.24) (   0.20,-127.75)   54.98                80
 05/10/2019   18:17:52   (  -0.11,-128.29) (   0.79,-132.32)  459.48                80
 05/11/2019   17:59:54   (  -0.11,-128.30) (  -0.36,-127.33)  110.83                80
 05/13/2019   06:18:54   (   0.12,-128.29) (  -0.72,-131.92)  414.48                80
 05/14/2019   05:55:35   (   0.12,-128.30) (   0.43,-126.93)  155.61                80