Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2018 9 18.  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)
 09/19/2018   06:36:01   (   0.26,-135.44) (  -0.70,-139.76)  492.78                80
 09/20/2018   06:18:00   (   0.24,-135.46) (   0.41,-134.77)   78.80                80
 09/21/2018   18:34:09   (  -0.27,-135.55) (   0.58,-139.34)  431.35                80
 09/22/2018   18:16:08   (  -0.25,-135.57) (  -0.54,-134.34)  140.43                80
 09/24/2018   06:32:25   (   0.28,-135.53) (  -0.46,-138.95)  388.54                80
 09/25/2018   06:14:22   (   0.26,-135.54) (   0.60,-133.94)  182.40                80
 09/26/2018   18:30:33   (  -0.28,-135.63) (   0.33,-138.52)  329.22                80
 09/27/2018   18:12:30   (  -0.27,-135.64) (  -0.72,-133.51)  241.85                80
 09/29/2018   06:28:47   (   0.29,-135.59) (  -0.27,-138.12)  287.73                80
 09/30/2018   06:10:46   (   0.27,-135.59) (   0.85,-133.12)  282.20                80
 10/01/2018   18:26:55   (  -0.29,-135.65) (   0.14,-137.69)  231.63                80
 10/02/2018   18:08:53   (  -0.27,-135.66) (  -0.91,-132.68)  338.29                80