Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2014 4 5.  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)
 04/06/2014   16:41:38   ( -77.70,  -3.09) 04/06/2014   16:41:01  ( -77.70,  -3.06)    0.89                37
 04/06/2014   17:30:54   (  78.13, 166.50) 04/06/2014   17:31:35  (  78.13, 166.44)    1.41                41
 04/09/2014   08:58:10   ( -77.80, 113.21) 04/09/2014   08:58:00  ( -77.80, 113.16)    1.19                10
 04/09/2014   09:47:22   (  78.40, -76.32) 04/09/2014   09:48:29  (  78.41, -76.19)    3.04                67
 04/12/2014   00:25:28   (  77.37,  59.59) 04/12/2014   00:24:25  (  77.36,  59.54)    1.43                63
 04/12/2014   01:14:44   ( -77.89,-130.55) 04/12/2014   01:14:58  ( -77.88,-130.64)    2.51                14
 04/14/2014   16:42:05   (  77.49, 175.92) 04/14/2014   16:41:23  (  77.48, 175.86)    1.54                42
 04/14/2014   17:31:22   ( -77.97, -14.36) 04/14/2014   17:31:57  ( -77.96, -14.48)    3.06                35
 04/17/2014   08:58:45   (  77.60, -67.80) 04/17/2014   08:58:21  (  77.60, -67.84)    0.91                24