Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2014 4 10.  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)
 04/12/2014   00:25:13   (  77.50,  60.14) 04/12/2014   00:24:22  (  77.51,  60.25)    2.79                51
 04/12/2014   01:14:29   ( -78.02,-129.97) 04/12/2014   01:14:55  ( -78.03,-129.89)    1.94                26
 04/14/2014   16:41:40   (  77.52, 176.10) 04/14/2014   16:41:23  (  77.51, 176.01)    2.16                17
 04/14/2014   17:30:52   ( -78.21, -13.17) 04/14/2014   17:31:51  ( -78.23, -13.05)    3.14                59
 04/17/2014   08:08:46   ( -77.24, 123.21) 04/17/2014   08:07:45  ( -77.24, 123.22)    0.49                61
 04/17/2014   08:57:58   (  77.84, -66.65) 04/17/2014   08:58:15  (  77.84, -66.64)    0.43                17
 04/20/2014   00:25:07   ( -77.41,-120.21) 04/20/2014   00:24:42  ( -77.40,-120.29)    2.34                25
 04/20/2014   01:14:20   (  77.96,  49.78) 04/20/2014   01:15:13  (  77.95,  49.71)    1.98                53
 04/22/2014   15:52:11   (  77.02,-173.44) 04/22/2014   15:51:06  (  77.01,-173.52)    2.29                65