Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2014 12 29.  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   22:45:52   ( -77.86, -93.44) 12/31/2014   22:45:25  ( -77.86, -93.33)    2.73                27
 12/31/2014   23:35:07   (  78.33,  76.42) 12/31/2014   23:35:58  (  78.33,  76.42)    0.21                51
 01/03/2015   14:16:12   (  67.22,-167.91) 01/03/2015   14:14:59  (  67.43,-169.23)   61.41                73
 01/03/2015   15:02:13   ( -77.96,  22.96) 01/03/2015   15:02:12  ( -77.96,  22.95)    0.25                 1
 01/03/2015   15:49:30   (  81.75,-128.78) 01/03/2015   15:50:43  (  81.35,-128.31)   45.91                73
 01/06/2015   06:29:15   (  77.70, -29.93) 01/06/2015   06:28:23  (  77.71, -29.81)    2.81                52
 01/06/2015   07:18:28   ( -78.33, 140.60) 01/06/2015   07:18:53  ( -78.34, 140.72)    2.89                25
 01/08/2015   22:45:35   (  77.81,  86.43) 01/08/2015   22:45:11  (  77.80,  86.40)    0.77                24
 01/08/2015   23:34:48   ( -78.43,-103.00) 01/08/2015   23:35:41  ( -78.42,-103.01)    0.27                53
 01/11/2015   14:12:40   ( -77.38,  32.91) 01/11/2015   14:11:27  ( -77.38,  32.88)    0.71                73
 01/11/2015   15:01:48   (  78.17,-156.00) 01/11/2015   15:01:52  (  78.17,-155.93)    1.61                 4