Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2015 1 4.  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)
 01/06/2015   06:29:19   (  77.58, -30.45) 01/06/2015   06:28:26  (  77.59, -30.41)    1.04                53
 01/06/2015   07:18:32   ( -78.21, 140.00) 01/06/2015   07:18:56  ( -78.21, 140.04)    0.94                24
 01/08/2015   22:45:36   (  77.88,  86.74) 01/08/2015   22:45:09  (  77.89,  86.82)    1.79                27
 01/08/2015   23:34:49   ( -78.49,-102.67) 01/08/2015   23:35:39  ( -78.50,-102.58)    2.10                50
 01/11/2015   14:15:11   ( -69.85,  15.40) 01/11/2015   14:13:57  ( -70.06,  14.30)   47.91                74
 01/11/2015   15:01:55   (  78.05,-156.55) 01/11/2015   15:01:55  (  78.05,-156.55)    0.14                 0
 01/11/2015   15:49:02   ( -81.82,  56.75) 01/11/2015   15:50:16  ( -81.36,  56.68)   50.82                74
 01/14/2015   06:29:02   ( -77.59, 149.66) 01/14/2015   06:28:12  ( -77.59, 149.62)    0.93                50
 01/14/2015   07:18:11   (  78.33, -39.32) 01/14/2015   07:18:38  (  78.33, -39.27)    1.46                27
 01/16/2015   22:45:17   ( -77.84, -93.34) 01/16/2015   22:44:55  ( -77.83, -93.42)    2.09                22