Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2015 1 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)
 01/03/2015   14:16:30   (  66.28,-168.91) 01/03/2015   14:15:17  (  66.50,-170.29)   66.58                73
 01/03/2015   15:02:17   ( -77.84,  22.39) 01/03/2015   15:02:16  ( -77.83,  22.31)    2.02                 1
 01/03/2015   15:49:46   (  81.59,-134.90) 01/03/2015   15:50:59  (  81.24,-134.21)   40.34                73
 01/06/2015   06:29:22   (  77.42, -31.12) 01/06/2015   06:28:30  (  77.42, -31.18)    1.51                52
 01/06/2015   07:18:34   ( -78.10, 139.48) 01/06/2015   07:18:59  ( -78.09, 139.41)    1.53                25
 01/08/2015   22:45:40   (  77.65,  85.72) 01/08/2015   22:45:15  (  77.64,  85.62)    2.65                25
 01/08/2015   23:34:52   ( -78.31,-103.58) 01/08/2015   23:35:44  ( -78.31,-103.67)    2.22                52
 01/11/2015   14:13:31   ( -75.03,  25.27) 01/11/2015   14:12:17  ( -75.11,  24.82)   15.93                74
 01/11/2015   15:01:52   (  78.09,-156.37) 01/11/2015   15:01:54  (  78.10,-156.33)    1.11                 2
 01/11/2015   15:47:08   ( -79.61,  97.75) 01/11/2015   15:48:21  ( -78.94,  94.94)   94.51                73
 01/14/2015   06:28:55   ( -77.76, 150.40) 01/14/2015   06:28:08  ( -77.76, 150.45)    1.35                47