Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2017 7 26.  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)
 07/27/2017   06:15:21   (   0.07,-134.85) (   0.69,-132.20)  303.47                80
 07/28/2017   18:36:50   (  -0.04,-134.86) (   0.39,-136.74)  214.73                80
 07/29/2017   18:13:30   (  -0.07,-134.82) (  -0.76,-131.76)  349.65                80
 07/31/2017   06:35:09   (   0.03,-134.70) (  -0.36,-136.33)  186.96                80
 08/01/2017   06:11:49   (   0.05,-134.66) (   0.79,-131.35)  377.07                80
 08/02/2017   18:33:20   (  -0.02,-134.65) (   0.23,-135.91)  142.15                80
 08/03/2017   18:09:59   (  -0.04,-134.61) (  -0.85,-130.90)  421.51                80
 08/05/2017   06:31:37   (   0.01,-134.47) (  -0.25,-135.48)  116.21                80
 08/06/2017   06:08:18   (   0.04,-134.42) (   0.90,-130.50)  447.01                80
 08/07/2017   18:29:48   (   0.00,-134.41) (   0.13,-135.06)   73.41                80
 08/08/2017   18:06:28   (  -0.03,-134.36) (  -0.96,-130.05)  489.51                80