Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2017 7 31.  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)
 08/01/2017   06:11:49   (   0.05,-134.65) (   0.79,-131.35)  376.06                80
 08/02/2017   18:33:19   (  -0.02,-134.64) (   0.29,-135.89)  143.11                80
 08/03/2017   18:09:59   (  -0.04,-134.59) (  -0.86,-130.90)  420.31                80
 08/05/2017   06:31:37   (   0.01,-134.45) (  -0.25,-135.48)  118.25                80
 08/06/2017   06:08:18   (   0.03,-134.40) (   0.90,-130.50)  444.67                80
 08/07/2017   18:29:48   (   0.00,-134.39) (   0.13,-135.05)   75.73                80
 08/08/2017   18:06:28   (  -0.03,-134.33) (  -0.95,-130.05)  486.95                80
 08/10/2017   06:28:07   (  -0.01,-134.18) (  -0.09,-134.65)   52.52                80
 08/12/2017   18:26:17   (   0.02,-134.10) (   0.03,-134.20)   11.89                80