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   (  77.95, -66.09) 04/01/2014   08:57:36  (  77.95, -66.01)    1.94                26
 04/01/2014   09:47:21   ( -78.31, 103.25) 04/01/2014   09:48:13  ( -78.29, 103.15)    2.61                52
 04/04/2014   00:28:36   ( -67.39,-140.78) 04/04/2014   00:27:23  ( -67.67,-142.54)   80.97                73
 04/04/2014   01:14:35   (  78.09,  50.45) 04/04/2014   01:14:34  (  78.10,  50.54)    2.25                 1
 04/04/2014   02:02:08   ( -81.64,-106.89) 04/04/2014   02:03:22  ( -81.18,-106.42)   51.74                74
 04/06/2014   16:41:58   ( -77.69,  -3.16) 04/06/2014   16:41:01  ( -77.70,  -3.06)    2.48                57
 04/06/2014   17:31:15   (  78.09, 166.25) 04/06/2014   17:31:36  (  78.08, 166.20)    1.20                21
 04/09/2014   08:58:40   ( -77.75, 112.92) 04/09/2014   08:58:01  ( -77.76, 112.98)    1.42                39
 04/09/2014   09:47:57   (  78.14, -77.66) 04/09/2014   09:48:36  (  78.14, -77.75)    2.13                39
 04/12/2014   01:15:23   ( -77.88,-130.72) 04/12/2014   01:14:58  ( -77.89,-130.60)    2.90                25