Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2017 7 5.  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)
 07/07/2017   06:32:01   (   0.11,-135.37) (   0.09,-135.56)   20.76                80
 07/09/2017   18:27:32   (  -0.12,-135.39) (  -0.20,-135.12)   30.89                80
 07/12/2017   06:25:51   (   0.11,-135.29) (   0.22,-134.71)   64.73                80
 07/13/2017   18:47:21   (  -0.09,-135.31) (   0.81,-139.27)  451.68                80
 07/14/2017   18:24:02   (  -0.11,-135.29) (  -0.33,-134.28)  114.50                80
 07/16/2017   06:45:41   (   0.08,-135.19) (  -0.73,-138.87)  419.04                80
 07/17/2017   06:22:21   (   0.10,-135.17) (   0.41,-133.88)  146.67                80
 07/18/2017   18:43:51   (  -0.07,-135.18) (   0.68,-138.43)  370.99                80
 07/19/2017   18:20:31   (  -0.10,-135.15) (  -0.46,-133.44)  194.23                80