Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2015 2 12.  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)
 02/12/2015   15:51:54   ( -78.35,  12.45) 02/12/2015   15:51:37  ( -78.35,  12.48)    0.83                17
 02/12/2015   16:41:06   (  78.93,-176.76) 02/12/2015   16:42:06  (  78.94,-176.63)    2.96                60
 02/15/2015   07:19:01   (  78.00, -40.97) 02/15/2015   07:17:53  (  78.00, -40.95)    0.43                68
 02/15/2015   08:08:14   ( -78.61, 129.69) 02/15/2015   08:08:23  ( -78.61, 129.78)    2.05                 9
 02/17/2015   23:35:20   (  78.30,  76.37) 02/17/2015   23:34:39  (  78.31,  76.45)    1.91                41
 02/18/2015   00:24:39   ( -78.65,-114.19) 02/18/2015   00:25:16  ( -78.64,-114.29)    2.24                37
 02/20/2015   15:51:43   (  78.38,-167.35) 02/20/2015   15:51:31  (  78.37,-167.44)    2.08                12
 02/20/2015   16:40:57   ( -78.93,   3.28) 02/20/2015   16:42:02  ( -78.93,   3.29)    0.29                65
 02/23/2015   07:18:48   ( -78.07, 139.43) 02/23/2015   07:17:48  ( -78.07, 139.38)    1.03                60
 02/23/2015   08:07:59   (  78.69, -49.77) 02/23/2015   08:08:16  (  78.70, -49.74)    0.73                17
 02/25/2015   23:35:00   ( -78.48,-102.66) 02/25/2015   23:34:30  ( -78.48,-102.57)    2.26                30