Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2017 11 12.  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)
 11/14/2017   06:40:23   (   0.22,-134.82) (  -0.48,-138.01)  363.36                80
 11/15/2017   06:17:02   (   0.22,-134.86) (   0.64,-133.02)  209.96                80
 11/16/2017   18:35:52   (  -0.22,-134.90) (   0.37,-137.58)  305.07                80
 11/17/2017   18:17:51   (  -0.22,-134.94) (  -0.75,-132.58)  268.77                80
 11/19/2017   06:36:50   (   0.21,-135.02) (  -0.30,-137.17)  245.70                80
 11/20/2017   06:13:29   (   0.21,-135.05) (   0.83,-132.18)  326.98                80
 11/21/2017   18:32:18   (  -0.20,-135.08) (   0.18,-136.74)  189.81                80
 11/22/2017   18:14:18   (  -0.20,-135.11) (  -0.94,-131.75)  383.28                80
 11/24/2017   06:33:17   (   0.19,-135.19) (  -0.04,-136.35)  131.58                80
 11/25/2017   06:09:56   (   0.19,-135.22) (   1.03,-131.35)  440.40                80
 11/26/2017   18:28:45   (  -0.18,-135.22) (  -0.02,-135.90)   78.13                80