Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2014 12 27.  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)
 12/29/2014   06:29:35   ( -77.48, 149.05) 12/29/2014   06:28:44  ( -77.48, 149.07)    0.40                51
 12/29/2014   07:18:50   (  77.96, -41.21) 12/29/2014   07:19:17  (  77.95, -41.33)    2.99                27
 12/31/2014   22:45:53   ( -77.75, -93.89) 12/31/2014   22:45:27  ( -77.75, -93.87)    0.48                26
 12/31/2014   23:35:08   (  78.23,  75.94) 12/31/2014   23:36:00  (  78.22,  75.83)    2.76                52
 01/03/2015   14:15:05   (  70.88,-163.15) 01/03/2015   14:13:52  (  71.02,-164.18)   40.66                73
 01/03/2015   15:02:09   ( -78.09,  23.56) 01/03/2015   15:02:09  ( -78.10,  23.65)    2.15                 0
 01/03/2015   15:48:25   (  81.36,-102.09) 01/03/2015   15:49:38  (  80.76,-103.40)   70.42                73
 01/06/2015   06:29:17   (  77.52, -30.70) 01/06/2015   06:28:28  (  77.51, -30.74)    1.14                49
 01/06/2015   07:18:29   ( -78.19, 139.95) 01/06/2015   07:18:57  ( -78.19, 139.92)    0.66                28
 01/08/2015   22:45:33   (  77.74,  86.16) 01/08/2015   22:45:13  (  77.73,  86.04)    2.90                20