Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2014 3 25.  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)
 03/27/2014   01:14:26   ( -78.02,-129.83) 03/27/2014   01:14:17  ( -78.01,-129.93)    2.57                 9
 03/27/2014   02:03:39   (  78.57,  40.51) 03/27/2014   02:04:47  (  78.57,  40.58)    1.58                68
 03/29/2014   16:41:30   (  77.75, 177.21) 03/29/2014   16:40:40  (  77.74, 177.16)    1.21                50
 03/29/2014   17:30:45   ( -78.29, -12.64) 03/29/2014   17:31:12  ( -78.29, -12.63)    0.12                27
 04/01/2014   08:57:49   (  77.95, -66.00) 04/01/2014   08:57:37  (  77.94, -66.07)    1.73                12
 04/01/2014   09:47:05   ( -78.44, 104.03) 04/01/2014   09:48:10  ( -78.44, 104.01)    0.51                65
 04/04/2014   00:24:49   ( -77.79,-118.43) 04/04/2014   00:23:58  ( -77.80,-118.36)    1.77                51
 04/04/2014   01:14:04   (  78.25,  51.32) 04/04/2014   01:14:31  (  78.25,  51.35)    0.78                27
 04/06/2014   16:41:03   ( -78.02,  -1.47) 04/06/2014   16:40:53  ( -78.02,  -1.45)    0.50                10