Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2017 6 29.  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)
 06/30/2017   18:13:51   (  -0.15,-135.48) (  -0.97,-131.80)  419.20                80
 07/02/2017   06:35:30   (   0.13,-135.42) (  -0.09,-136.39)  109.78                80
 07/03/2017   06:12:11   (   0.14,-135.42) (   1.04,-131.40)  458.49                80
 07/04/2017   18:33:41   (  -0.12,-135.46) (  -0.01,-135.95)   56.64                80
 07/07/2017   06:32:01   (   0.12,-135.39) (   0.08,-135.56)   19.09                80
 07/09/2017   18:27:32   (  -0.12,-135.40) (  -0.19,-135.12)   31.97                80
 07/11/2017   06:49:11   (   0.09,-135.33) (  -0.88,-139.71)  499.23                80
 07/12/2017   06:25:52   (   0.12,-135.31) (   0.26,-134.72)   67.51                80
 07/13/2017   18:47:22   (  -0.09,-135.33) (   0.77,-139.28)  449.46                80