Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2016 12 17.  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)
 12/18/2016   18:28:20   (  -0.11,-135.17) (  -0.16,-135.07)   12.54                80
 12/21/2016   06:26:41   (   0.10,-135.10) (   0.19,-134.66)   50.57                80
 12/22/2016   18:48:13   (  -0.09,-135.07) (   0.84,-139.22)  472.91                80
 12/23/2016   18:24:55   (  -0.10,-135.04) (  -0.30,-134.23)   93.14                80
 12/25/2016   06:46:35   (   0.08,-135.00) (  -0.75,-138.82)  435.29                80
 12/26/2016   06:23:16   (   0.09,-134.96) (   0.34,-133.82)  130.04                80
 12/27/2016   18:44:48   (  -0.08,-134.91) (   0.69,-138.38)  394.94                80
 12/28/2016   18:24:08   (  -0.08,-134.88) (  -0.40,-133.38)  170.32                80
 12/30/2016   06:43:09   (   0.07,-134.83) (  -0.64,-137.97)  359.02                80