Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2015 2 9.  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   ( -78.08,-104.73) 02/09/2015   23:34:50  ( -78.08,-104.76)    1.00                42
 02/10/2015   00:24:44   (  78.68,  65.91) 02/10/2015   00:25:19  (  78.68,  65.97)    1.29                35
 02/12/2015   15:51:55   ( -78.31,  12.27) 02/12/2015   15:51:38  ( -78.31,  12.27)    0.20                17
 02/12/2015   16:41:07   (  78.89,-176.98) 02/12/2015   16:42:07  (  78.90,-176.88)    2.19                60
 02/15/2015   07:19:02   (  77.96, -41.18) 02/15/2015   07:17:54  (  77.96, -41.18)    0.13                68
 02/15/2015   08:08:15   ( -78.57, 129.49) 02/15/2015   08:08:24  ( -78.58, 129.54)    1.33                 9
 02/17/2015   23:35:20   (  78.30,  76.34) 02/17/2015   23:34:39  (  78.30,  76.41)    1.74                41
 02/18/2015   00:24:39   ( -78.65,-114.21) 02/18/2015   00:25:16  ( -78.64,-114.32)    2.61                37
 02/20/2015   15:51:43   (  78.36,-167.43) 02/20/2015   15:51:31  (  78.36,-167.51)    1.87                12