Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2015 3 5.  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)
 03/06/2015   00:24:54   ( -78.73,-113.76) 03/06/2015   00:25:01  ( -78.74,-113.71)    1.25                 7
 03/08/2015   15:52:06   (  78.35,-167.51) 03/08/2015   15:51:18  (  78.35,-167.53)    0.45                48
 03/08/2015   16:41:19   ( -78.95,   3.35) 03/08/2015   16:41:48  ( -78.95,   3.45)    2.25                29
 03/11/2015   08:08:30   (  78.57, -50.49) 03/11/2015   08:08:05  (  78.57, -50.49)    0.15                25
 03/11/2015   08:57:45   ( -79.08, 120.01) 03/11/2015   08:58:37  ( -79.08, 120.14)    2.81                52
 03/13/2015   23:38:50   ( -68.55,-126.96) 03/13/2015   23:37:37  ( -68.80,-128.58)   71.11                73
 03/14/2015   00:24:54   (  78.75,  66.34) 03/14/2015   00:24:53  (  78.75,  66.34)    0.19                 1
 03/14/2015   01:12:31   ( -81.74, -89.60) 03/14/2015   01:13:45  ( -81.34, -89.39)   44.97                74
 03/16/2015   15:52:04   ( -78.35,  12.48) 03/16/2015   15:51:11  ( -78.34,  12.42)    1.54                53
 03/16/2015   16:41:17   (  78.87,-177.05) 03/16/2015   16:41:41  (  78.87,-177.06)    0.24                24
 03/19/2015   08:08:26   ( -78.52, 129.28) 03/19/2015   08:07:59  ( -78.51, 129.16)    2.68                27