Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2016 12 28.  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)
 12/30/2016   06:43:09   (   0.07,-134.79) (  -0.62,-137.98)  363.37                80
 12/31/2016   06:19:50   (   0.07,-134.74) (   0.47,-132.98)  200.83                80
 01/01/2017   18:41:22   (  -0.06,-134.67) (   0.56,-137.54)  326.49                80
 01/02/2017   18:18:02   (  -0.06,-134.63) (  -0.53,-132.54)  237.57                80
 01/04/2017   06:39:43   (   0.05,-134.56) (  -0.50,-137.14)  293.08                80
 01/05/2017   06:16:23   (   0.06,-134.51) (   0.59,-132.14)  270.38                80
 01/06/2017   18:37:55   (  -0.04,-134.43) (   0.44,-136.70)  258.40                80
 01/07/2017   18:14:36   (  -0.05,-134.37) (  -0.65,-131.70)  304.78                80
 01/09/2017   06:36:16   (   0.04,-134.30) (  -0.38,-136.29)  227.14                80
 01/10/2017   06:12:57   (   0.05,-134.24) (   0.71,-131.30)  335.44                80
 01/11/2017   18:34:28   (  -0.03,-134.14) (   0.38,-135.84)  194.87                80