Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2017 10 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)
 10/14/2017   18:22:02   (  -0.27,-135.31) (  -0.66,-133.47)  209.03                80
 10/16/2017   06:41:00   (   0.27,-135.25) (  -0.36,-138.07)  321.39                80
 10/17/2017   06:17:39   (   0.27,-135.23) (   0.75,-133.07)  245.42                80
 10/18/2017   18:36:30   (  -0.28,-135.23) (   0.26,-137.63)  274.63                80
 10/19/2017   18:18:29   (  -0.27,-135.21) (  -0.85,-132.64)  292.83                80
 10/21/2017   06:37:28   (   0.28,-135.15) (  -0.17,-137.23)  237.35                80
 10/22/2017   06:14:06   (   0.27,-135.12) (   0.88,-132.22)  328.91                80
 10/23/2017   18:32:56   (  -0.27,-135.10) (   0.13,-136.79)  192.91                80
 10/24/2017   18:14:56   (  -0.27,-135.07) (  -0.99,-131.79)  373.83                80
 10/26/2017   06:33:54   (   0.27,-135.01) (  -0.03,-136.39)  156.56                80
 10/27/2017   06:10:33   (   0.26,-134.97) (   1.03,-131.38)  408.91                80