Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2017 7 29.  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)
 07/31/2017   06:35:09   (   0.03,-134.69) (  -0.31,-136.34)  187.59                80
 08/01/2017   06:11:49   (   0.05,-134.65) (   0.77,-131.34)  376.27                80
 08/02/2017   18:33:19   (  -0.02,-134.64) (   0.25,-135.90)  142.97                80
 08/03/2017   18:09:59   (  -0.04,-134.60) (  -0.84,-130.90)  420.52                80
 08/05/2017   06:31:38   (   0.01,-134.46) (  -0.21,-135.49)  117.69                80
 08/06/2017   06:08:18   (   0.03,-134.41) (   0.88,-130.49)  445.30                80
 08/07/2017   18:29:48   (   0.00,-134.39) (   0.15,-135.05)   75.16                80
 08/08/2017   18:06:28   (  -0.03,-134.34) (  -1.00,-130.06)  487.56                80
 08/10/2017   06:28:07   (  -0.01,-134.19) (  -0.10,-134.64)   51.50                80
 08/12/2017   18:26:17   (   0.02,-134.11) (   0.04,-134.20)   10.83                80