Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2014 4 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)
 04/04/2014   00:25:07   ( -77.63,-119.25) 04/04/2014   00:24:01  ( -77.64,-119.14)    2.82                66
 04/04/2014   01:14:22   (  78.10,  50.51) 04/04/2014   01:14:34  (  78.10,  50.54)    0.94                12
 04/06/2014   16:41:28   ( -77.85,  -2.38) 04/06/2014   16:40:57  ( -77.86,  -2.27)    2.68                31
 04/06/2014   17:30:44   (  78.27, 167.23) 04/06/2014   17:31:31  (  78.28, 167.28)    1.44                47
 04/09/2014   08:08:36   (  77.36, -56.19) 04/09/2014   08:07:25  (  77.35, -56.25)    1.65                71
 04/09/2014   08:57:51   ( -77.92, 113.84) 04/09/2014   08:57:57  ( -77.92, 113.77)    1.60                 6
 04/12/2014   00:24:49   (  77.77,  61.42) 04/12/2014   00:24:15  (  77.78,  61.52)    2.52                34
 04/12/2014   01:14:06   ( -78.23,-128.81) 04/12/2014   01:14:49  ( -78.24,-128.71)    2.53                43
 04/14/2014   15:51:53   ( -77.42,   8.22) 04/14/2014   15:50:40  ( -77.43,   8.32)    2.77                73