Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2015 1 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)
 01/21/2015   06:10:25   (   0.00,-134.51) (   0.94,-130.42)  466.67                80
 01/22/2015   18:29:17   (   0.01,-134.44) (   0.15,-134.97)   60.61                80
 01/25/2015   06:30:20   (  -0.02,-134.29) (  -0.09,-134.58)   32.08                80
 01/27/2015   18:25:55   (   0.02,-134.16) (   0.01,-134.15)    2.08                80
 01/30/2015   06:24:18   (  -0.02,-134.00) (   0.06,-133.76)   28.84                80
 02/01/2015   18:25:12   (   0.03,-133.85) (  -0.10,-133.32)   60.58                80
 02/03/2015   06:44:13   (  -0.04,-133.76) (  -0.95,-137.92)  474.07                80