Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2017 7 9.  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)
 07/12/2017   06:25:51   (   0.11,-135.28) (   0.22,-134.71)   64.60                80
 07/13/2017   18:47:21   (  -0.09,-135.31) (   0.81,-139.27)  451.25                80
 07/14/2017   18:24:02   (  -0.11,-135.29) (  -0.33,-134.28)  114.93                80
 07/16/2017   06:45:41   (   0.08,-135.19) (  -0.73,-138.87)  419.14                80
 07/17/2017   06:22:22   (   0.10,-135.16) (   0.41,-133.88)  146.60                80
 07/18/2017   18:43:51   (  -0.07,-135.18) (   0.67,-138.43)  370.52                80
 07/19/2017   18:20:31   (  -0.09,-135.15) (  -0.47,-133.44)  194.71                80
 07/21/2017   06:42:11   (   0.06,-135.04) (  -0.59,-138.03)  340.77                80
 07/22/2017   06:18:50   (   0.09,-135.00) (   0.50,-133.03)  223.93                80
 07/23/2017   18:40:20   (  -0.06,-135.01) (   0.53,-137.59)  294.50                80