Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2014 3 30.  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)
 04/01/2014   08:58:02   (  77.91, -66.27) 04/01/2014   08:57:38  (  77.91, -66.25)    0.32                24
 04/01/2014   09:47:18   ( -78.40, 103.72) 04/01/2014   09:48:11  ( -78.40, 103.78)    1.50                53
 04/04/2014   00:25:22   ( -77.33,-120.48) 04/04/2014   00:24:08  ( -77.34,-120.53)    1.56                74
 04/04/2014   01:14:30   (  78.12,  50.60) 04/04/2014   01:14:33  (  78.14,  50.72)    2.96                 3
 04/06/2014   16:41:53   ( -77.58,  -3.62) 04/06/2014   16:41:04  ( -77.57,  -3.69)    1.97                49
 04/06/2014   17:31:04   (  78.23, 166.95) 04/06/2014   17:31:32  (  78.24, 167.03)    1.77                28
 04/09/2014   08:58:28   ( -77.76, 112.98) 04/09/2014   08:58:01  ( -77.75, 112.95)    1.03                27
 04/09/2014   09:47:40   (  78.36, -76.59) 04/09/2014   09:48:30  (  78.37, -76.47)    3.00                50
 04/12/2014   01:15:05   ( -77.96,-130.32) 04/12/2014   01:14:57  ( -77.97,-130.22)    2.41                 8