Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2015 1 15.  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)
 01/16/2015   22:45:59   ( -77.74, -93.91) 01/16/2015   22:44:57  ( -77.75, -93.81)    2.72                62
 01/16/2015   23:35:15   (  78.18,  75.72) 01/16/2015   23:35:31  (  78.18,  75.67)    1.10                16
 01/19/2015   15:02:25   ( -77.90,  22.65) 01/19/2015   15:01:42  ( -77.90,  22.71)    1.52                43
 01/19/2015   15:51:41   (  78.33,-167.68) 01/19/2015   15:52:16  (  78.32,-167.77)    2.25                35
 01/22/2015   07:18:52   ( -78.01, 139.02) 01/22/2015   07:18:29  ( -78.00, 139.01)    0.36                23
 01/22/2015   08:08:03   (  78.64, -50.17) 01/22/2015   08:08:57  (  78.65, -50.08)    2.12                54
 01/24/2015   22:50:45   (  62.39,  59.43) 01/24/2015   22:49:33  (  62.65,  57.67)   95.06                72
 01/24/2015   23:35:19   ( -78.07,-104.79) 01/24/2015   23:35:17  ( -78.06,-104.90)    2.78                 2
 01/25/2015   00:23:38   (  80.58,  80.34) 01/25/2015   00:24:52  (  80.40,  80.75)   21.34                74
 01/27/2015   15:02:26   (  77.76,-157.92) 01/27/2015   15:01:28  (  77.76,-157.93)    0.13                58