Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2014 5 30.  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)
 06/01/2014   15:52:22   ( -76.95,   6.21) 06/01/2014   15:52:09  ( -76.95,   6.24)    0.89                13
 06/01/2014   16:41:36   (  77.48, 175.93) 06/01/2014   16:42:41  (  77.47, 175.85)    2.37                65
 06/04/2014   07:19:31   (  76.49, -47.15) 06/04/2014   07:18:31  (  76.50, -47.08)    1.98                60
 06/04/2014   08:08:42   ( -77.27, 123.30) 06/04/2014   08:08:59  ( -77.27, 123.40)    2.62                17
 06/06/2014   23:35:56   (  76.61,  69.14) 06/06/2014   23:35:27  (  76.60,  69.10)    1.16                29
 06/07/2014   00:25:08   ( -77.34,-120.53) 06/07/2014   00:25:56  ( -77.34,-120.54)    0.25                48
 06/09/2014   15:04:22   ( -72.33,   6.76) 06/09/2014   15:03:08  ( -72.45,   6.08)   26.65                74
 06/09/2014   15:52:19   (  76.81,-174.28) 06/09/2014   15:52:21  (  76.79,-174.38)    2.77                 2
 06/09/2014   16:37:56   ( -81.14,  69.80) 06/09/2014   16:39:09  ( -80.38,  67.78)   91.72                73
 06/12/2014   07:19:28   ( -76.45, 132.73) 06/12/2014   07:18:43  ( -76.45, 132.77)    1.26                45