Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2017 10 27.  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)
 10/28/2017   18:29:24   (  -0.26,-134.93) (  -0.06,-135.94)  114.38                80
 10/29/2017   18:11:23   (  -0.26,-134.90) (  -1.12,-130.93)  451.27                80
 10/31/2017   06:30:21   (   0.26,-134.81) (   0.07,-135.52)   81.92                80
 11/01/2017   06:07:01   (   0.25,-134.77) (   1.19,-130.53)  482.54                80
 11/02/2017   18:25:50   (  -0.25,-134.73) (  -0.15,-135.08)   41.52                80
 11/05/2017   06:26:48   (   0.25,-134.59) (   0.22,-134.68)   10.40                80
 11/07/2017   18:24:57   (  -0.24,-134.47) (  -0.31,-134.24)   26.75                80
 11/10/2017   06:20:33   (   0.23,-134.32) (   0.33,-133.83)   56.48                80