Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2018 9 7.  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)
 09/07/2018   18:24:17   (  -0.20,-135.17) (   0.15,-136.81)  185.83                80
 09/08/2018   18:06:15   (  -0.18,-135.21) (  -0.91,-131.80)  388.09                80
 09/10/2018   06:22:32   (   0.21,-135.18) (  -0.09,-136.40)  139.55                80
 09/11/2018   06:04:31   (   0.19,-135.22) (   1.03,-131.41)  433.91                80
 09/12/2018   18:20:40   (  -0.22,-135.35) (  -0.05,-135.98)   72.28                80
 09/15/2018   06:18:56   (   0.23,-135.35) (   0.18,-135.59)   26.46                80
 09/17/2018   18:19:44   (  -0.24,-135.50) (  -0.32,-135.16)   38.72                80
 09/19/2018   06:36:01   (   0.26,-135.47) (  -0.66,-139.77)  488.94                80
 09/20/2018   06:17:59   (   0.24,-135.49) (   0.40,-134.76)   83.26                80