Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2017 12 1.  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)
 12/01/2017   18:27:51   (  -0.17,-135.29) (  -0.21,-135.07)   25.32                80
 12/03/2017   06:46:49   (   0.16,-135.36) (  -0.83,-139.66)  490.91                80
 12/04/2017   06:23:29   (   0.16,-135.37) (   0.31,-134.67)   79.33                80
 12/05/2017   18:42:18   (  -0.15,-135.34) (   0.70,-139.23)  442.90                80
 12/06/2017   18:24:17   (  -0.15,-135.35) (  -0.38,-134.23)  127.73                80
 12/08/2017   06:43:15   (   0.14,-135.41) (  -0.65,-138.82)  388.97                80
 12/09/2017   06:19:55   (   0.14,-135.42) (   0.49,-133.83)  180.76                80
 12/10/2017   18:38:44   (  -0.13,-135.38) (   0.53,-138.39)  342.73                80
 12/11/2017   18:20:42   (  -0.13,-135.39) (  -0.55,-133.38)  227.55                80
 12/13/2017   06:39:41   (   0.12,-135.45) (  -0.46,-137.98)  289.00                80
 12/14/2017   06:16:20   (   0.13,-135.45) (   0.68,-132.99)  280.32                80