Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2015 6 9.  Predictions up to the next  14.0 days:

     Date     Time(AURA) AURA Lat/Lon Date Time(NPP) NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/10/2015   00:25:02   ( -78.11,-117.22) 06/10/2015   00:23:52  ( -78.10,-117.32)    2.24                70
 06/10/2015   01:14:14   (  78.70,  53.40) 06/10/2015   01:14:21  (  78.70,  53.42)    0.66                 7
 06/12/2015   16:41:20   ( -78.46,   0.39) 06/12/2015   16:40:37  ( -78.47,   0.47)    1.75                43
 06/12/2015   17:30:38   (  78.78, 169.77) 06/12/2015   17:31:13  (  78.78, 169.70)    1.52                35
 06/15/2015   08:57:45   ( -78.48, 116.39) 06/15/2015   08:57:31  ( -78.47, 116.27)    3.06                14
 06/15/2015   09:46:59   (  78.97, -73.31) 06/15/2015   09:48:02  (  78.97, -73.31)    0.15                63
 06/18/2015   00:24:46   (  78.29,  63.67) 06/18/2015   00:23:43  (  78.29,  63.67)    0.09                63
 06/18/2015   01:14:01   ( -78.81,-125.96) 06/18/2015   01:14:15  ( -78.81,-125.87)    1.95                14
 06/20/2015   16:41:04   (  78.55,-179.11) 06/20/2015   16:40:30  (  78.55,-179.02)    2.16                34
 06/20/2015   17:30:24   ( -78.86,  -9.79) 06/20/2015   17:31:08  ( -78.85,  -9.87)    1.93                44
 06/23/2015   08:57:24   (  78.69, -62.44) 06/23/2015   08:57:20  (  78.70, -62.37)    1.62                 4