Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2015 12 25.  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)
 12/25/2015   06:15:41   (   0.10,-134.85) (   0.67,-132.21)  300.72                80
 12/26/2015   18:34:33   (  -0.08,-134.82) (   0.38,-136.76)  221.55                80
 12/27/2015   18:16:35   (  -0.09,-134.78) (  -0.76,-131.77)  343.05                80
 12/29/2015   06:35:35   (   0.07,-134.68) (  -0.28,-136.36)  190.84                80
 12/30/2015   06:12:15   (   0.08,-134.63) (   0.81,-131.36)  373.15                80
 12/31/2015   18:31:08   (  -0.06,-134.60) (   0.24,-135.92)  150.05                80
 01/01/2016   18:13:09   (  -0.07,-134.56) (  -0.91,-130.93)  414.13                80
 01/03/2016   06:32:09   (   0.06,-134.45) (  -0.18,-135.51)  120.10                80
 01/04/2016   06:08:49   (   0.07,-134.40) (   0.91,-130.50)  443.23                80
 01/05/2016   18:27:41   (  -0.05,-134.35) (   0.13,-135.06)   81.58                80
 01/06/2016   18:09:43   (  -0.06,-134.30) (  -1.02,-130.07)  481.83                80