Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2018 1 14.  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)
 01/14/2018   18:16:34   (  -0.02,-134.67) (  -0.49,-132.52)  243.88                80
 01/16/2018   06:35:32   (   0.02,-134.64) (  -0.52,-137.12)  281.98                80
 01/17/2018   06:12:11   (   0.02,-134.60) (   0.54,-132.12)  281.92                80
 01/18/2018   18:31:01   (  -0.01,-134.47) (   0.46,-136.68)  251.48                80
 01/19/2018   18:13:00   (  -0.01,-134.42) (  -0.60,-131.68)  312.30                80
 01/21/2018   06:31:58   (   0.00,-134.39) (  -0.41,-136.27)  214.29                80
 01/22/2018   06:08:36   (   0.00,-134.34) (   0.66,-131.27)  349.05                80
 01/23/2018   18:27:27   (   0.00,-134.20) (   0.35,-135.83)  185.55                80
 01/24/2018   18:09:25   (  -0.00,-134.15) (  -0.72,-130.83)  377.39                80
 01/26/2018   06:28:24   (  -0.00,-134.10) (  -0.28,-135.43)  150.62                80
 01/27/2018   06:05:02   (   0.00,-134.04) (   0.78,-130.42)  411.68                80