Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2015 2 8.  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)
 02/09/2015   23:35:32   ( -78.06,-104.82) 02/09/2015   23:34:50  ( -78.06,-104.88)    1.45                42
 02/10/2015   00:24:43   (  78.70,  66.02) 02/10/2015   00:25:18  (  78.70,  66.07)    0.98                35
 02/12/2015   15:51:55   ( -78.30,  12.20) 02/12/2015   15:51:38  ( -78.30,  12.16)    1.05                17
 02/12/2015   16:41:07   (  78.88,-177.07) 02/12/2015   16:42:07  (  78.88,-177.01)    1.47                60
 02/15/2015   07:19:04   (  77.90, -41.42) 02/15/2015   07:17:56  (  77.90, -41.48)    1.57                68
 02/15/2015   08:08:17   ( -78.52, 129.23) 02/15/2015   08:08:26  ( -78.52, 129.22)    0.36                 9
 02/17/2015   23:35:24   (  78.17,  75.71) 02/17/2015   23:34:43  (  78.16,  75.67)    1.02                41
 02/18/2015   00:24:38   ( -78.73,-113.73) 02/18/2015   00:25:14  ( -78.74,-113.71)    0.64                36
 02/20/2015   15:51:42   (  78.42,-167.15) 02/20/2015   15:51:29  (  78.42,-167.16)    0.27                13