Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2014 12 31.  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)
 12/31/2014   22:45:53   ( -77.82, -93.61) 12/31/2014   22:45:26  ( -77.82, -93.52)    2.18                27
 12/31/2014   23:35:08   (  78.29,  76.25) 12/31/2014   23:35:59  (  78.29,  76.22)    0.62                51
 01/03/2015   14:16:26   (  66.45,-168.72) 01/03/2015   14:15:13  (  66.68,-170.10)   65.65                73
 01/03/2015   15:02:16   ( -77.85,  22.43) 01/03/2015   15:02:15  ( -77.84,  22.36)    1.79                 1
 01/03/2015   15:49:42   (  81.63,-133.61) 01/03/2015   15:50:55  (  81.27,-132.96)   41.47                73
 01/06/2015   06:29:20   (  77.51, -30.74) 01/06/2015   06:28:28  (  77.51, -30.75)    0.28                52
 01/06/2015   07:18:33   ( -78.14, 139.70) 01/06/2015   07:18:58  ( -78.15, 139.68)    0.43                25
 01/08/2015   22:45:36   (  77.82,  86.46) 01/08/2015   22:45:11  (  77.82,  86.47)    0.05                25
 01/08/2015   23:34:49   ( -78.43,-102.96) 01/08/2015   23:35:41  ( -78.43,-102.94)    0.44                52
 01/11/2015   14:13:01   ( -76.48,  29.59) 01/11/2015   14:11:47  ( -76.52,  29.41)    6.36                74
 01/11/2015   15:01:52   (  78.07,-156.46) 01/11/2015   15:01:55  (  78.07,-156.47)    0.26                 3