Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2015 12 30.  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)
 12/30/2015   06:12:15   (   0.08,-134.63) (   0.80,-131.36)  372.79                80
 12/31/2015   18:31:08   (  -0.06,-134.60) (   0.24,-135.91)  150.26                80
 01/01/2016   18:13:09   (  -0.07,-134.55) (  -0.90,-130.93)  413.83                80
 01/03/2016   06:32:08   (   0.05,-134.44) (  -0.19,-135.50)  120.82                80
 01/04/2016   06:08:50   (   0.06,-134.39) (   0.95,-130.52)  442.41                80
 01/05/2016   18:27:42   (  -0.05,-134.34) (   0.09,-135.07)   82.26                80
 01/06/2016   18:09:43   (  -0.06,-134.29) (  -1.00,-130.07)  481.05                80
 01/08/2016   06:28:42   (   0.04,-134.18) (  -0.09,-134.65)   54.59                80
 01/10/2016   18:24:16   (  -0.04,-134.05) (  -0.02,-134.22)   18.72                80