Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2018 9 16.  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)
 09/17/2018   18:19:44   (  -0.24,-135.48) (  -0.28,-135.16)   35.86                80
 09/19/2018   06:36:01   (   0.26,-135.44) (  -0.72,-139.76)  492.39                80
 09/20/2018   06:17:59   (   0.24,-135.46) (   0.40,-134.76)   79.30                80
 09/21/2018   18:34:09   (  -0.27,-135.56) (   0.59,-139.34)  431.00                80
 09/22/2018   18:16:07   (  -0.25,-135.58) (  -0.52,-134.34)  140.89                80
 09/24/2018   06:32:25   (   0.28,-135.54) (  -0.47,-138.94)  387.54                80
 09/25/2018   06:14:23   (   0.26,-135.55) (   0.64,-133.95)  183.53                80
 09/26/2018   18:30:32   (  -0.28,-135.63) (   0.34,-138.52)  328.25                80
 09/27/2018   18:12:31   (  -0.27,-135.65) (  -0.77,-133.52)  242.94                80
 09/29/2018   06:28:47   (   0.29,-135.60) (  -0.28,-138.11)  286.12                80