Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2015 2 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)
 02/25/2015   23:35:32   ( -78.16,-104.34) 02/25/2015   23:34:38  ( -78.15,-104.40)    1.59                54
 02/26/2015   00:24:45   (  78.71,  66.11) 02/26/2015   00:25:08  (  78.71,  66.10)    0.38                23
 02/28/2015   15:51:59   ( -78.43,  12.88) 02/28/2015   15:51:24  ( -78.43,  12.93)    1.20                35
 02/28/2015   16:41:12   (  78.96,-176.55) 02/28/2015   16:41:54  (  78.97,-176.43)    2.61                42
 03/03/2015   08:08:28   ( -78.58, 129.55) 03/03/2015   08:08:13  ( -78.59, 129.61)    1.47                15
 03/03/2015   08:57:42   (  79.07, -60.06) 03/03/2015   08:58:44  (  79.08, -59.93)    3.00                62
 03/05/2015   23:35:43   (  78.09,  75.31) 03/05/2015   23:34:32  (  78.08,  75.21)    2.35                71
 03/06/2015   00:24:57   ( -78.66,-114.14) 03/06/2015   00:25:03  ( -78.66,-114.18)    0.85                 6
 03/08/2015   15:52:09   (  78.31,-167.73) 03/08/2015   15:51:19  (  78.31,-167.78)    1.28                50