Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2016 12 22.  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)
 12/22/2016   18:48:13   (  -0.09,-135.06) (   0.84,-139.22)  474.07                80
 12/23/2016   18:24:55   (  -0.10,-135.03) (  -0.30,-134.23)   91.61                80
 12/25/2016   06:46:35   (   0.08,-134.98) (  -0.75,-138.82)  437.36                80
 12/26/2016   06:23:15   (   0.09,-134.94) (   0.34,-133.82)  127.66                80
 12/27/2016   18:44:48   (  -0.08,-134.89) (   0.69,-138.38)  397.81                80
 12/28/2016   18:21:28   (  -0.08,-134.85) (  -0.40,-133.38)  167.06                80
 12/30/2016   06:43:09   (   0.07,-134.79) (  -0.64,-137.97)  362.87                80
 12/31/2016   06:19:49   (   0.07,-134.75) (   0.44,-132.98)  201.41                80
 01/01/2017   18:41:21   (  -0.06,-134.68) (   0.59,-137.54)  325.51                80
 01/02/2017   18:18:03   (  -0.06,-134.64) (  -0.56,-132.55)  238.68                80
 01/04/2017   06:39:42   (   0.05,-134.57) (  -0.53,-137.13)  292.11                80
 01/05/2017   06:16:24   (   0.06,-134.52) (   0.62,-132.14)  271.44                80