Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2015 8 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)
 08/05/2015   01:13:46   ( -78.80,-126.01) 08/05/2015   01:13:40  ( -78.80,-125.92)    2.17                 6
 08/05/2015   02:03:05   (  79.07,  43.23) 08/05/2015   02:04:17  (  79.07,  43.14)    1.98                72
 08/07/2015   16:40:54   (  78.50,-179.40) 08/07/2015   16:39:54  (  78.50,-179.32)    1.72                60
 08/07/2015   17:30:15   ( -78.77, -10.31) 08/07/2015   17:30:33  ( -78.76, -10.45)    3.07                18
 08/10/2015   08:57:22   (  78.53, -63.34) 08/10/2015   08:56:46  (  78.53, -63.41)    1.50                36
 08/10/2015   09:46:39   ( -78.97, 106.70) 08/10/2015   09:47:20  ( -78.96, 106.68)    0.30                41
 08/13/2015   01:13:48   (  78.63,  53.08) 08/13/2015   01:13:36  (  78.62,  52.96)    3.00                12
 08/13/2015   02:03:06   ( -79.03,-137.06) 08/13/2015   02:04:11  ( -79.02,-137.15)    2.04                65
 08/15/2015   16:40:56   ( -78.41,   0.16) 08/15/2015   16:39:50  ( -78.41,   0.16)    0.09                66