Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2017 11 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 11/12/2017   06:36:56   (   0.22,-134.73) (  -0.16,-136.34)  183.58                80
 11/13/2017   06:13:37   (   0.23,-134.77) (   1.01,-131.36)  389.84                80
 11/14/2017   18:32:29   (  -0.22,-134.82) (   0.02,-135.91)  124.41                80
 11/15/2017   18:14:29   (  -0.22,-134.86) (  -1.09,-130.92)  449.62                80
 11/17/2017   06:33:30   (   0.22,-134.95) (   0.07,-135.51)   64.63                80
 11/19/2017   18:29:02   (  -0.21,-135.01) (  -0.22,-135.09)    7.96                80
 11/22/2017   06:27:23   (   0.20,-135.13) (   0.31,-134.69)   51.08                80
 11/23/2017   18:46:14   (  -0.19,-135.14) (   0.71,-139.24)  467.03                80
 11/24/2017   18:28:15   (  -0.19,-135.17) (  -0.41,-134.25)  105.72                80