Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2016 5 20.  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)
 05/22/2016   06:36:36   (   0.11,-134.67) (  -0.30,-136.47)  205.64                80
 05/23/2016   06:13:16   (   0.11,-134.62) (   0.80,-131.48)  358.36                80
 05/24/2016   18:32:08   (  -0.11,-134.59) (   0.20,-136.04)  165.24                80
 05/25/2016   18:14:09   (  -0.12,-134.54) (  -0.90,-131.05)  398.55                80
 05/27/2016   06:33:08   (   0.12,-134.43) (  -0.18,-135.63)  137.54                80
 05/28/2016   06:09:49   (   0.12,-134.38) (   0.93,-130.63)  425.63                80
 05/29/2016   18:28:41   (  -0.12,-134.33) (   0.06,-135.20)   99.29                80
 05/30/2016   18:10:42   (  -0.13,-134.27) (  -1.05,-130.21)  463.82                80
 06/01/2016   06:29:41   (   0.12,-134.15) (  -0.03,-134.79)   72.96                80
 06/02/2016   06:06:21   (   0.13,-134.09) (   1.08,-129.80)  489.45                80
 06/03/2016   18:25:13   (  -0.12,-134.03) (  -0.04,-134.35)   36.85                80