Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2015 7 29.  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)
 07/30/2015   16:40:56   ( -78.41,   0.18) 07/30/2015   16:40:05  ( -78.41,   0.14)    0.94                51
 07/30/2015   17:30:10   (  78.90, 170.48) 07/30/2015   17:30:36  (  78.90, 170.49)    0.43                26
 08/02/2015   08:57:20   ( -78.66, 117.37) 08/02/2015   08:56:51  ( -78.67, 117.46)    2.20                29
 08/02/2015   09:46:39   (  78.94, -73.44) 08/02/2015   09:47:28  (  78.93, -73.54)    2.28                49
 08/05/2015   01:13:47   ( -78.74,-126.36) 08/05/2015   01:13:41  ( -78.74,-126.36)    0.14                 6
 08/05/2015   02:03:02   (  79.17,  43.80) 08/05/2015   02:04:13  (  79.17,  43.91)    2.40                71
 08/07/2015   16:40:58   (  78.35, 179.87) 08/07/2015   16:39:58  (  78.35, 179.78)    2.19                60
 08/07/2015   17:30:14   ( -78.84,  -9.91) 08/07/2015   17:30:31  ( -78.84,  -9.95)    0.87                17
 08/10/2015   08:57:24   (  78.49, -63.56) 08/10/2015   08:56:47  (  78.49, -63.64)    1.91                37