Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2017 7 6.  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) (   0.10,-135.56)   20.96                80
 07/09/2017   18:27:31   (  -0.12,-135.39) (  -0.15,-135.11)   30.98                80
 07/12/2017   06:25:51   (   0.11,-135.28) (   0.22,-134.71)   64.58                80
 07/13/2017   18:47:21   (  -0.09,-135.31) (   0.80,-139.27)  451.65                80
 07/14/2017   18:24:02   (  -0.11,-135.29) (  -0.34,-134.28)  114.50                80
 07/16/2017   06:45:41   (   0.08,-135.19) (  -0.73,-138.87)  419.20                80
 07/17/2017   06:22:22   (   0.10,-135.16) (   0.41,-133.88)  146.50                80
 07/18/2017   18:43:51   (  -0.07,-135.18) (   0.67,-138.43)  371.04                80
 07/19/2017   18:20:31   (  -0.09,-135.15) (  -0.47,-133.44)  194.17                80