Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2014 9 17.  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)
 09/18/2014   21:57:09   ( -75.13, -90.54) 09/18/2014   21:56:37  ( -75.12, -90.63)    2.74                32
 09/18/2014   22:46:09   (  76.39,  80.82) 09/18/2014   22:46:54  (  76.39,  80.82)    0.17                45
 09/21/2014   13:28:37   (  60.17,-161.63) 09/21/2014   13:27:24  (  60.39,-162.88)   73.17                73
 09/21/2014   14:13:19   ( -75.92,  27.59) 09/21/2014   14:13:16  ( -75.93,  27.68)    2.61                 3
 09/21/2014   15:01:36   (  79.02,-151.72) 09/21/2014   15:02:50  (  78.87,-151.26)   18.75                74
 09/24/2014   05:40:32   (  75.15, -26.35) 09/24/2014   05:39:43  (  75.16, -26.30)    1.87                49
 09/24/2014   06:29:39   ( -76.17, 144.25) 09/24/2014   06:30:07  ( -76.17, 144.27)    0.74                28
 09/26/2014   21:56:52   (  75.31,  89.97) 09/26/2014   21:56:35  (  75.30,  89.91)    2.07                17
 09/26/2014   22:45:59   ( -76.32, -99.36) 09/26/2014   22:46:59  ( -76.31, -99.45)    2.57                60
 09/29/2014   13:24:06   ( -74.50,  36.15) 09/29/2014   13:23:04  ( -74.49,  36.07)    2.68                62