Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2014 3 31.  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   (  77.84, -66.57) 04/01/2014   08:57:40  (  77.83, -66.64)    1.81                22
 04/01/2014   09:47:18   ( -78.30, 103.23) 04/01/2014   09:48:13  ( -78.29, 103.14)    2.17                55
 04/04/2014   00:25:12   ( -77.55,-119.59) 04/04/2014   00:24:03  ( -77.55,-119.55)    1.13                69
 04/04/2014   01:14:26   (  78.06,  50.29) 04/04/2014   01:14:35  (  78.06,  50.30)    0.40                 9
 04/06/2014   16:41:38   ( -77.73,  -2.92) 04/06/2014   16:41:00  ( -77.74,  -2.90)    0.41                38
 04/06/2014   17:30:52   (  78.24, 167.02) 04/06/2014   17:31:32  (  78.23, 167.02)    0.16                40
 04/09/2014   08:58:07   ( -77.80, 113.22) 04/09/2014   08:58:00  ( -77.79, 113.11)    2.71                 7
 04/09/2014   09:47:21   (  78.29, -76.83) 04/09/2014   09:48:32  (  78.28, -76.95)    2.75                71
 04/12/2014   00:25:15   (  77.55,  60.43) 04/12/2014   00:24:21  (  77.55,  60.43)    0.23                54