Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2014 1 20.  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)
 01/22/2014   02:03:27   (  78.63,  40.89) 01/22/2014   02:03:17  (  78.64,  40.93)    0.77                10
 01/22/2014   02:52:46   ( -78.97,-149.55) 01/22/2014   02:53:53  ( -78.98,-149.50)    1.14                67
 01/24/2014   17:30:53   ( -78.19, -13.18) 01/24/2014   17:29:42  ( -78.18, -13.28)    2.39                71
 01/24/2014   18:20:08   (  78.66, 156.85) 01/24/2014   18:20:14  (  78.66, 156.85)    0.15                 6
 01/27/2014   09:47:37   ( -78.28, 103.09) 01/27/2014   09:46:37  ( -78.28, 103.07)    0.69                60
 01/27/2014   10:36:52   (  78.75, -86.83) 01/27/2014   10:37:09  (  78.75, -86.78)    1.06                17
 01/30/2014   02:04:24   ( -78.41,-140.50) 01/30/2014   02:03:30  ( -78.42,-140.38)    3.00                54
 01/30/2014   02:53:44   (  78.66,  28.48) 01/30/2014   02:54:08  (  78.66,  28.38)    2.19                24
 02/01/2014   18:21:20   ( -78.39, -24.84) 02/01/2014   18:20:28  ( -78.40, -24.74)    2.45                52