Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2017 10 22.  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)
 10/23/2017   18:32:57   (  -0.27,-135.11) (   0.11,-136.78)  190.96                80
 10/24/2017   18:14:57   (  -0.26,-135.08) (  -1.00,-131.79)  375.41                80
 10/26/2017   06:33:55   (   0.26,-135.00) (  -0.05,-136.38)  157.09                80
 10/27/2017   06:10:34   (   0.26,-134.96) (   1.07,-131.38)  408.11                80
 10/28/2017   18:29:24   (  -0.26,-134.93) (  -0.02,-135.93)  114.40                80
 10/29/2017   18:11:23   (  -0.25,-134.90) (  -1.14,-130.94)  451.22                80
 10/31/2017   06:30:22   (   0.25,-134.82) (   0.09,-135.53)   81.52                80
 11/01/2017   06:07:01   (   0.25,-134.77) (   1.21,-130.54)  482.92                80
 11/02/2017   18:25:50   (  -0.25,-134.73) (  -0.17,-135.09)   41.42                80
 11/05/2017   06:26:48   (   0.25,-134.60) (   0.24,-134.69)   10.08                80