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)
 10/27/2017   06:10:34   (   0.26,-134.96) (   1.04,-131.38)  407.84                80
 10/28/2017   18:29:24   (  -0.26,-134.93) (  -0.06,-135.94)  114.49                80
 10/29/2017   18:11:23   (  -0.26,-134.90) (  -1.12,-130.93)  451.14                80
 10/31/2017   06:30:21   (   0.25,-134.81) (   0.07,-135.52)   81.96                80
 11/01/2017   06:07:01   (   0.25,-134.77) (   1.19,-130.53)  482.49                80
 11/02/2017   18:25:50   (  -0.25,-134.72) (  -0.15,-135.08)   41.72                80
 11/05/2017   06:26:48   (   0.25,-134.59) (   0.22,-134.68)   10.54                80
 11/07/2017   18:24:57   (  -0.24,-134.47) (  -0.31,-134.24)   26.45                80