Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2014 8 22.  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)
 08/23/2014   06:30:06   ( -75.37, 141.84) 08/23/2014   06:29:44  ( -75.36, 141.81)    1.20                22
 08/23/2014   07:19:12   (  76.31, -47.68) 08/23/2014   07:20:08  (  76.31, -47.74)    1.97                56
 08/25/2014   21:57:19   (  74.68,  88.28) 08/25/2014   21:56:13  (  74.68,  88.28)    0.07                66
 08/25/2014   22:46:21   ( -75.97,-100.51) 08/25/2014   22:46:31  ( -75.98,-100.43)    2.37                10
 08/28/2014   14:13:38   (  75.08,-154.81) 08/28/2014   14:13:05  (  75.07,-154.84)    0.89                33
 08/28/2014   15:02:42   ( -76.26,  16.27) 08/28/2014   15:03:25  ( -76.27,  16.33)    1.76                43
 08/31/2014   05:43:38   ( -65.39, 138.39) 08/31/2014   05:42:25  ( -65.52, 137.38)   48.69                73
 08/31/2014   06:29:55   (  75.55, -37.62) 08/31/2014   06:29:55  (  75.55, -37.62)    0.13                 0
 08/31/2014   07:17:21   ( -80.60, 156.71) 08/31/2014   07:18:35  ( -80.30, 157.59)   36.95                74
 09/02/2014   21:57:13   ( -74.66, -91.76) 09/02/2014   21:56:29  ( -74.65, -91.83)    2.23                44