Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2017 11 8.  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)
 11/09/2017   18:35:55   (  -0.23,-134.60) (   0.25,-136.74)  243.76                80
 11/10/2017   18:17:56   (  -0.23,-134.65) (  -0.87,-131.74)  330.77                80
 11/12/2017   06:36:56   (   0.22,-134.73) (  -0.15,-136.34)  183.42                80
 11/13/2017   06:13:37   (   0.23,-134.77) (   1.02,-131.36)  390.08                80
 11/14/2017   18:32:29   (  -0.22,-134.82) (   0.02,-135.91)  123.96                80
 11/15/2017   18:14:29   (  -0.22,-134.87) (  -1.10,-130.92)  450.19                80
 11/17/2017   06:33:30   (   0.22,-134.95) (   0.08,-135.51)   63.92                80
 11/19/2017   18:29:02   (  -0.21,-135.02) (  -0.22,-135.09)    7.14                80
 11/22/2017   06:27:23   (   0.20,-135.14) (   0.32,-134.69)   52.34                80