Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2017 8 1.  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)
 08/02/2017   18:33:19   (  -0.02,-134.64) (   0.26,-135.90)  143.03                80
 08/03/2017   18:10:00   (  -0.04,-134.59) (  -0.89,-130.91)  420.34                80
 08/05/2017   06:31:38   (   0.01,-134.45) (  -0.22,-135.49)  118.40                80
 08/06/2017   06:08:18   (   0.03,-134.40) (   0.93,-130.50)  444.47                80
 08/07/2017   18:29:48   (   0.00,-134.38) (   0.16,-135.05)   75.80                80
 08/08/2017   18:06:28   (  -0.03,-134.33) (  -0.99,-130.06)  486.83                80
 08/10/2017   06:28:07   (  -0.01,-134.18) (  -0.11,-134.64)   52.74                80
 08/12/2017   18:26:16   (   0.02,-134.10) (   0.06,-134.20)   12.12                80
 08/15/2017   06:21:55   (  -0.03,-133.87) (  -0.00,-133.79)    9.27                80