Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2015 10 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)
 10/05/2015   08:56:56   ( -78.74, 117.87) 10/05/2015   08:55:44  ( -78.75, 117.94)    1.64                72
 10/05/2015   09:46:15   (  79.02, -72.87) 10/05/2015   09:46:21  (  79.02, -72.93)    1.23                 6
 10/08/2015   01:13:26   ( -78.78,-126.05) 10/08/2015   01:12:37  ( -78.78,-126.08)    0.82                49
 10/08/2015   02:02:40   (  79.26,  44.43) 10/08/2015   02:03:08  (  79.26,  44.55)    2.56                28
 10/10/2015   17:29:52   ( -78.92,  -9.38) 10/10/2015   17:29:26  ( -78.92,  -9.42)    0.83                26
 10/10/2015   18:19:07   (  79.35, 160.90) 10/10/2015   18:19:58  (  79.35, 161.02)    2.50                51
 10/13/2015   09:46:17   ( -79.12, 107.67) 10/13/2015   09:46:14  ( -79.12, 107.74)    1.67                 3
 10/13/2015   10:34:52   (  80.85, -69.84) 10/13/2015   10:36:06  (  80.66, -69.45)   22.24                74
 10/16/2015   01:13:28   (  78.75,  53.77) 10/16/2015   01:12:32  (  78.75,  53.72)    1.14                56