Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2015 12 24.  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)
 12/24/2015   06:39:00   (   0.09,-134.89) (  -0.42,-137.21)  263.43                80
 12/25/2015   06:15:41   (   0.10,-134.85) (   0.66,-132.20)  300.87                80
 12/26/2015   18:34:34   (  -0.08,-134.82) (   0.33,-136.77)  221.49                80
 12/27/2015   18:16:35   (  -0.09,-134.78) (  -0.75,-131.77)  343.13                80
 12/29/2015   06:35:35   (   0.07,-134.68) (  -0.28,-136.36)  190.64                80
 12/30/2015   06:12:15   (   0.08,-134.64) (   0.80,-131.36)  373.35                80
 12/31/2015   18:31:08   (  -0.06,-134.60) (   0.24,-135.91)  149.95                80
 01/01/2016   18:13:09   (  -0.07,-134.56) (  -0.90,-130.93)  414.25                80
 01/03/2016   06:32:08   (   0.06,-134.45) (  -0.19,-135.50)  119.86                80
 01/04/2016   06:08:50   (   0.07,-134.40) (   0.96,-130.52)  443.48                80
 01/05/2016   18:27:42   (  -0.05,-134.35) (   0.08,-135.07)   81.46                80
 01/06/2016   18:09:43   (  -0.06,-134.30) (  -1.01,-130.07)  481.99                80