Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2015 6 8.  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,-117.19) 06/10/2015   00:23:52  ( -78.11,-117.29)    2.41                70
 06/10/2015   01:14:14   (  78.70,  53.42) 06/10/2015   01:14:21  (  78.70,  53.45)    0.80                 7
 06/12/2015   16:41:22   ( -78.39,   0.03) 06/12/2015   16:40:39  ( -78.39,   0.04)    0.34                43
 06/12/2015   17:30:39   (  78.75, 169.60) 06/12/2015   17:31:14  (  78.75, 169.48)    2.73                35
 06/15/2015   08:57:43   ( -78.55, 116.76) 06/15/2015   08:57:28  ( -78.55, 116.73)    0.55                15
 06/15/2015   09:46:57   (  79.03, -72.92) 06/15/2015   09:47:59  (  79.04, -72.80)    2.71                62
 06/18/2015   00:24:48   (  78.25,  63.46) 06/18/2015   00:23:44  (  78.25,  63.45)    0.36                64
 06/18/2015   01:14:03   ( -78.77,-126.16) 06/18/2015   01:14:16  ( -78.78,-126.11)    1.27                13
 06/20/2015   16:41:10   (  78.36, 179.94) 06/20/2015   16:40:35  (  78.36, 179.83)    2.42                35