Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2017 7 16.  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)
 07/17/2017   06:22:21   (   0.10,-135.17) (   0.38,-133.88)  147.95                80
 07/18/2017   18:43:51   (  -0.07,-135.20) (   0.64,-138.43)  368.06                80
 07/19/2017   18:20:32   (  -0.09,-135.17) (  -0.50,-133.45)  197.45                80
 07/21/2017   06:42:10   (   0.06,-135.06) (  -0.62,-138.02)  338.22                80
 07/22/2017   06:18:51   (   0.08,-135.03) (   0.53,-133.03)  226.85                80
 07/23/2017   18:40:21   (  -0.06,-135.04) (   0.50,-137.59)  290.36                80
 07/24/2017   18:17:02   (  -0.08,-135.01) (  -0.65,-132.61)  274.49                80
 07/26/2017   06:38:40   (   0.05,-134.89) (  -0.47,-137.18)  261.79                80
 07/27/2017   06:15:20   (   0.08,-134.85) (   0.68,-132.20)  302.95                80
 07/28/2017   18:36:51   (  -0.04,-134.86) (   0.35,-136.75)  214.60                80
 07/29/2017   18:13:30   (  -0.07,-134.83) (  -0.74,-131.75)  349.98                80