Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2015 7 1.  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)
 07/01/2015   08:57:32   ( -78.71, 117.61) 07/01/2015   08:57:15  ( -78.72, 117.74)    2.95                17
 07/01/2015   09:46:52   (  78.95, -73.38) 07/01/2015   09:47:53  (  78.94, -73.48)    2.31                61
 07/04/2015   00:24:45   (  78.21,  63.31) 07/04/2015   00:23:36  (  78.21,  63.22)    2.23                69
 07/04/2015   01:13:59   ( -78.78,-126.14) 07/04/2015   01:14:07  ( -78.78,-126.10)    0.88                 8
 07/06/2015   16:41:06   (  78.53,-179.24) 07/06/2015   16:40:21  (  78.54,-179.11)    3.09                45
 07/06/2015   17:30:25   ( -78.87,  -9.71) 07/06/2015   17:30:58  ( -78.88,  -9.71)    0.10                33
 07/09/2015   08:57:34   (  78.53, -63.34) 07/09/2015   08:57:15  (  78.52, -63.45)    2.73                19
 07/09/2015   09:46:50   ( -79.00, 106.91) 07/09/2015   09:47:48  ( -79.01, 106.94)    0.67                58
 07/12/2015   00:24:42   ( -78.25,-116.55) 07/12/2015   00:23:31  ( -78.24,-116.61)    1.70                71
 07/12/2015   01:13:57   (  78.70,  53.41) 07/12/2015   01:14:03  (  78.69,  53.36)    0.97                 6
 07/14/2015   16:41:04   ( -78.49,   0.55) 07/14/2015   16:40:18  ( -78.49,   0.61)    1.25                46