Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2016 4 22.  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)
 04/23/2016   06:36:32   (   0.05,-135.37) (  -0.17,-136.48)  125.46                80
 04/24/2016   06:13:13   (   0.05,-135.36) (   0.92,-131.48)  442.81                80
 04/25/2016   18:32:05   (  -0.05,-135.39) (   0.12,-136.04)   74.86                80
 04/26/2016   18:14:06   (  -0.06,-135.38) (  -1.03,-131.05)  493.10                80
 04/28/2016   06:33:07   (   0.06,-135.32) (  -0.01,-135.65)   36.87                80
 04/30/2016   18:31:21   (  -0.07,-135.32) (  -0.11,-135.22)   11.43                80
 05/03/2016   06:27:01   (   0.07,-135.24) (   0.17,-134.82)   47.76                80
 05/04/2016   18:45:54   (  -0.08,-135.24) (   0.86,-139.38)  472.66                80
 05/05/2016   18:27:55   (  -0.08,-135.21) (  -0.29,-134.39)   93.96                80