Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2014 8 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)
 08/25/2014   21:57:17   (  74.80,  88.59) 08/25/2014   21:56:11  (  74.80,  88.62)    1.12                66
 08/25/2014   22:46:27   ( -75.65,-101.48) 08/25/2014   22:46:38  ( -75.64,-101.57)    2.65                11
 08/28/2014   14:13:34   (  75.24,-154.36) 08/28/2014   14:13:01  (  75.25,-154.33)    0.82                33
 08/28/2014   15:02:46   ( -76.03,  15.55) 08/28/2014   15:03:30  ( -76.02,  15.46)    2.72                44
 08/31/2014   05:43:20   ( -66.37, 139.35) 08/31/2014   05:42:06  ( -66.53, 138.46)   43.52                74
 08/31/2014   06:29:50   (  75.76, -37.00) 08/31/2014   06:29:50  (  75.77, -36.92)    2.38                 0
 08/31/2014   07:17:05   ( -81.04, 162.23) 08/31/2014   07:18:19  ( -80.68, 163.08)   42.76                74
 09/02/2014   21:57:08   ( -74.92, -91.10) 09/02/2014   21:56:24  ( -74.92, -91.08)    0.76                44
 09/02/2014   22:46:12   (  75.96,  79.49) 09/02/2014   22:46:46  (  75.96,  79.48)    0.18                34
 09/05/2014   14:13:25   ( -75.35,  25.96) 09/05/2014   14:13:15  ( -75.35,  25.96)    0.18                10