Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2017 11 11.  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) (  -0.15,-136.34)  183.58                80
 11/13/2017   06:13:37   (   0.23,-134.77) (   0.96,-131.34)  389.86                80
 11/14/2017   18:32:29   (  -0.22,-134.82) (   0.01,-135.91)  124.32                80
 11/15/2017   18:14:29   (  -0.22,-134.86) (  -1.10,-130.92)  449.75                80
 11/17/2017   06:33:30   (   0.22,-134.95) (   0.08,-135.51)   64.45                80
 11/19/2017   18:31:42   (  -0.21,-135.02) (  -0.17,-135.07)    7.98                80
 11/22/2017   06:27:23   (   0.20,-135.13) (   0.32,-134.69)   51.41                80
 11/23/2017   18:46:15   (  -0.19,-135.14) (   0.70,-139.24)  466.69                80
 11/24/2017   18:28:15   (  -0.19,-135.18) (  -0.41,-134.25)  106.10                80