Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2017 11 10.  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)
 11/11/2017   18:39:24   (  -0.22,-134.69) (   0.61,-138.40)  423.49                80
 11/12/2017   18:21:24   (  -0.23,-134.74) (  -0.51,-133.41)  150.94                80
 11/14/2017   06:40:23   (   0.22,-134.82) (  -0.48,-138.01)  363.24                80
 11/15/2017   06:17:02   (   0.22,-134.86) (   0.65,-133.02)  210.15                80
 11/16/2017   18:35:52   (  -0.22,-134.90) (   0.37,-137.58)  304.71                80
 11/17/2017   18:17:51   (  -0.22,-134.94) (  -0.75,-132.58)  269.22                80
 11/19/2017   06:36:50   (   0.21,-135.03) (  -0.30,-137.17)  245.17                80
 11/20/2017   06:13:29   (   0.21,-135.06) (   0.83,-132.18)  327.58                80
 11/21/2017   18:32:18   (  -0.20,-135.08) (   0.19,-136.74)  189.08                80
 11/22/2017   18:14:18   (  -0.20,-135.12) (  -0.94,-131.75)  384.10                80
 11/24/2017   06:33:17   (   0.19,-135.20) (  -0.04,-136.35)  130.65                80