Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2015 12 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-A Lat/Lon    Distance(km)  Time Diff(sec)
 12/29/2015   06:35:34   (   0.07,-134.68) (  -0.32,-136.35)  191.08                80
 12/30/2015   06:12:16   (   0.08,-134.63) (   0.82,-131.36)  372.83                80
 12/31/2015   18:31:08   (  -0.06,-134.60) (   0.22,-135.92)  150.54                80
 01/01/2016   18:13:09   (  -0.07,-134.55) (  -0.87,-130.92)  413.57                80
 01/03/2016   06:32:09   (   0.05,-134.45) (  -0.17,-135.51)  120.71                80
 01/04/2016   06:08:49   (   0.07,-134.39) (   0.92,-130.51)  442.55                80
 01/05/2016   18:27:42   (  -0.05,-134.34) (   0.12,-135.06)   82.40                80
 01/06/2016   18:09:43   (  -0.06,-134.29) (  -1.03,-130.08)  480.91                80
 01/08/2016   06:28:42   (   0.05,-134.18) (  -0.05,-134.65)   54.25                80