Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2015 3 14.  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)
 03/16/2015   15:52:03   ( -78.51,  13.32) 03/16/2015   15:51:07  ( -78.52,  13.41)    2.40                56
 03/16/2015   16:41:17   (  79.00,-176.32) 03/16/2015   16:41:38  (  79.00,-176.18)    3.09                21
 03/19/2015   08:08:28   ( -78.57, 129.52) 03/19/2015   08:07:57  ( -78.56, 129.46)    1.51                31
 03/19/2015   08:57:43   (  79.01, -60.35) 03/19/2015   08:58:29  (  79.01, -60.37)    0.53                46
 03/22/2015   00:24:51   ( -78.72,-113.75) 03/22/2015   00:24:45  ( -78.72,-113.83)    1.88                 6
 03/22/2015   01:14:06   (  79.15,  56.43) 03/22/2015   01:15:17  (  79.15,  56.40)    0.50                71
 03/24/2015   15:51:56   (  78.45,-166.94) 03/24/2015   15:50:58  (  78.45,-166.98)    1.11                58
 03/24/2015   16:41:10   ( -79.00,   3.77) 03/24/2015   16:41:29  ( -79.01,   3.84)    1.35                19
 03/27/2015   08:08:16   (  78.67, -49.88) 03/27/2015   08:07:44  (  78.67, -49.90)    0.43                32