Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2015 7 7.  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)
 07/09/2015   08:57:32   (  78.58, -63.07) 07/09/2015   08:57:12  (  78.58, -63.08)    0.33                20
 07/09/2015   09:46:51   ( -78.92, 106.45) 07/09/2015   09:47:49  ( -78.91, 106.32)    3.04                58
 07/12/2015   00:24:43   ( -78.18,-116.87) 07/12/2015   00:23:32  ( -78.17,-116.98)    2.59                71
 07/12/2015   01:13:56   (  78.68,  53.31) 07/12/2015   01:14:02  (  78.67,  53.22)    1.94                 6
 07/14/2015   16:41:04   ( -78.38,   0.03) 07/14/2015   16:40:19  ( -78.38,  -0.05)    2.03                45
 07/14/2015   17:30:19   (  78.83, 170.06) 07/14/2015   17:30:51  (  78.83, 170.00)    1.19                32
 07/17/2015   08:57:24   ( -78.65, 117.32) 07/17/2015   08:57:05  ( -78.66, 117.36)    0.88                19
 07/17/2015   09:46:40   (  79.05, -72.80) 07/17/2015   09:47:38  (  79.06, -72.71)    2.02                58
 07/20/2015   00:24:28   (  78.42,  64.35) 07/20/2015   00:23:18  (  78.43,  64.47)    2.92                70