Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2019 1 4.  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)
 01/04/2019   05:44:05   (   0.10,-128.47) (   0.99,-124.38)  465.34                80
 01/05/2019   18:02:58   (  -0.08,-128.41) (   0.04,-128.94)   60.71                80
 01/08/2019   06:04:01   (   0.07,-128.39) (   0.01,-128.54)   17.19                80
 01/10/2019   18:02:14   (  -0.06,-128.29) (  -0.10,-128.10)   21.59                80
 01/13/2019   05:57:57   (   0.06,-128.27) (   0.16,-127.70)   65.08                80
 01/14/2019   18:16:50   (  -0.04,-128.18) (   0.87,-132.25)  464.57                80
 01/15/2019   17:58:51   (  -0.05,-128.15) (  -0.25,-127.26)  101.38                80
 01/17/2019   06:17:52   (   0.04,-128.16) (  -0.80,-131.85)  421.36                80