Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2015 1 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)
 01/08/2015   22:45:50   (  77.59,  85.43) 01/08/2015   22:45:17  (  77.58,  85.33)    2.71                33
 01/08/2015   23:35:01   ( -78.25,-103.94) 01/08/2015   23:35:45  ( -78.24,-104.01)    1.85                44
 01/11/2015   15:02:20   (  77.75,-157.99) 01/11/2015   15:02:02  (  77.75,-158.09)    2.59                18
 01/11/2015   15:51:32   ( -78.41,  12.74) 01/11/2015   15:52:31  ( -78.40,  12.66)    1.89                59
 01/14/2015   07:18:56   (  77.91, -41.43) 01/14/2015   07:18:48  (  77.91, -41.52)    2.32                 8
 01/14/2015   08:08:10   ( -78.48, 128.96) 01/14/2015   08:09:19  ( -78.48, 128.88)    1.80                69
 01/16/2015   22:51:29   ( -61.03,-121.68) 01/16/2015   22:50:17  ( -61.29,-123.46)   99.77                72
 01/16/2015   23:35:39   (  77.98,  74.70) 01/16/2015   23:35:36  (  77.98,  74.62)    1.86                 3
 01/17/2015   00:24:53   ( -78.55,-114.86) 01/17/2015   00:26:07  ( -78.55,-114.93)    1.59                74
 01/19/2015   15:08:07   ( -61.69,  -5.41) 01/19/2015   15:06:55  ( -61.94,  -7.17)   96.99                72
 01/19/2015   15:52:26   (  78.05,-169.21) 01/19/2015   15:52:23  (  78.04,-169.26)    1.24                 3