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,-104.75) 02/09/2015   23:34:50  ( -78.08,-104.78)    0.79                42
 02/10/2015   00:24:43   (  78.71,  66.12) 02/10/2015   00:25:18  (  78.72,  66.20)    1.65                35
 02/12/2015   15:51:55   ( -78.31,  12.26) 02/12/2015   15:51:38  ( -78.31,  12.25)    0.18                17
 02/12/2015   16:41:07   (  78.89,-177.00) 02/12/2015   16:42:07  (  78.90,-176.90)    2.39                60
 02/15/2015   07:19:02   (  77.95, -41.19) 02/15/2015   07:17:54  (  77.95, -41.19)    0.16                68
 02/15/2015   08:08:15   ( -78.57, 129.47) 02/15/2015   08:08:24  ( -78.57, 129.52)    1.26                 9
 02/17/2015   23:35:20   (  78.29,  76.32) 02/17/2015   23:34:39  (  78.30,  76.39)    1.80                41
 02/18/2015   00:24:39   ( -78.64,-114.23) 02/18/2015   00:25:16  ( -78.63,-114.34)    2.70                37
 02/20/2015   15:51:43   (  78.36,-167.45) 02/20/2015   15:51:31  (  78.35,-167.53)    1.78                12
 02/20/2015   16:40:57   ( -78.91,   3.19) 02/20/2015   16:42:02  ( -78.91,   3.20)    0.30                65
 02/23/2015   07:18:46   ( -78.13, 139.70) 02/23/2015   07:17:46  ( -78.13, 139.69)    0.42                60