Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2015 3 7.  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)
 03/08/2015   15:52:08   (  78.29,-167.82) 03/08/2015   15:51:20  (  78.28,-167.92)    2.51                48
 03/08/2015   16:41:21   ( -78.89,   3.00) 03/08/2015   16:41:50  ( -78.89,   3.02)    0.42                29
 03/11/2015   08:08:30   (  78.61, -50.27) 03/11/2015   08:08:04  (  78.62, -50.22)    1.02                26
 03/11/2015   08:57:49   ( -78.95, 119.28) 03/11/2015   08:58:41  ( -78.94, 119.18)    2.24                52
 03/14/2015   00:24:53   (  78.81,  66.70) 03/14/2015   00:24:50  (  78.82,  66.82)    2.77                 3
 03/14/2015   01:13:36   ( -80.42,-113.63) 03/14/2015   01:14:50  ( -80.30,-113.22)   16.20                74
 03/16/2015   15:52:03   ( -78.49,  13.20) 03/16/2015   15:51:07  ( -78.49,  13.27)    1.61                56
 03/16/2015   16:41:17   (  78.97,-176.49) 03/16/2015   16:41:38  (  78.98,-176.37)    2.69                21
 03/19/2015   08:08:28   ( -78.58, 129.56) 03/19/2015   08:07:57  ( -78.58, 129.53)    0.67                31