Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2015 6 2.  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)
 06/04/2015   16:41:29   (  78.32, 179.65) 06/04/2015   16:40:43  (  78.31, 179.61)    1.12                46
 06/04/2015   17:30:45   ( -78.79, -10.20) 06/04/2015   17:31:16  ( -78.79, -10.23)    0.70                31
 06/07/2015   08:57:53   (  78.45, -63.77) 06/07/2015   08:57:34  (  78.44, -63.89)    2.74                19
 06/07/2015   09:47:10   ( -78.89, 106.20) 06/07/2015   09:48:08  ( -78.88, 106.12)    2.03                58
 06/10/2015   00:24:59   ( -78.25,-116.56) 06/10/2015   00:23:49  ( -78.25,-116.53)    0.67                70
 06/10/2015   01:14:15   (  78.61,  52.94) 06/10/2015   01:14:23  (  78.61,  52.85)    2.15                 8
 06/12/2015   16:41:23   ( -78.31,  -0.37) 06/12/2015   16:40:41  ( -78.30,  -0.48)    2.71                42
 06/12/2015   17:30:36   (  78.84, 170.05) 06/12/2015   17:31:11  (  78.84, 170.08)    0.68                35
 06/15/2015   08:57:41   ( -78.65, 117.25) 06/15/2015   08:57:26  ( -78.65, 117.35)    2.32                15