Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2014 4 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)
 04/30/2014   15:52:21   ( -77.09,   6.78) 04/30/2014   15:51:18  ( -77.11,   6.87)    2.50                63
 04/30/2014   16:41:33   (  77.71, 176.91) 04/30/2014   16:41:48  (  77.72, 176.98)    1.68                15
 05/03/2014   08:08:46   ( -77.15, 122.90) 05/03/2014   08:08:17  ( -77.14, 122.79)    3.03                29
 05/03/2014   08:57:55   (  77.90, -66.37) 05/03/2014   08:58:43  (  77.91, -66.27)    2.61                48
 05/05/2014   23:35:52   (  76.72,  69.57) 05/05/2014   23:34:40  (  76.71,  69.48)    2.68                72
 05/06/2014   00:25:02   ( -77.54,-119.68) 05/06/2014   00:25:06  ( -77.55,-119.59)    2.36                 4
 05/08/2014   15:52:08   (  77.12,-173.08) 05/08/2014   15:51:30  (  77.13,-173.05)    0.96                38
 05/08/2014   16:41:23   ( -77.70,  -3.11) 05/08/2014   16:42:02  ( -77.70,  -3.11)    0.08                39
 05/11/2014   08:08:24   (  77.47, -55.80) 05/11/2014   08:08:21  (  77.49, -55.68)    3.11                 3