Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2015 6 10.  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)
 06/12/2015   16:41:20   ( -78.45,   0.35) 06/12/2015   16:40:37  ( -78.46,   0.42)    1.56                43
 06/12/2015   17:30:38   (  78.78, 169.73) 06/12/2015   17:31:13  (  78.77, 169.65)    1.71                35
 06/15/2015   08:57:45   ( -78.47, 116.34) 06/15/2015   08:57:31  ( -78.46, 116.21)    3.01                14
 06/15/2015   09:46:58   (  79.00, -73.12) 06/15/2015   09:48:01  (  78.99, -73.12)    0.22                63
 06/18/2015   00:24:46   (  78.31,  63.80) 06/18/2015   00:23:43  (  78.31,  63.83)    0.58                63
 06/18/2015   01:14:02   ( -78.79,-126.04) 06/18/2015   01:14:16  ( -78.80,-125.94)    2.44                14
 06/20/2015   16:41:08   (  78.35, 179.90) 06/20/2015   16:40:35  (  78.35, 179.78)    2.96                33
 06/20/2015   17:30:23   ( -78.87,  -9.68) 06/20/2015   17:31:07  ( -78.87,  -9.72)    0.79                44
 06/23/2015   08:57:26   (  78.58, -63.06) 06/23/2015   08:57:23  (  78.57, -63.17)    2.67                 3