Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2014 12 22.  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)
 12/23/2014   22:46:05   (  77.57,  85.27) 12/23/2014   22:45:45  (  77.57,  85.24)    0.70                20
 12/23/2014   23:35:19   ( -78.16,-104.44) 12/23/2014   23:36:16  ( -78.16,-104.53)    1.93                57
 12/26/2014   14:14:02   ( -74.94,  24.88) 12/26/2014   14:12:48  ( -75.01,  24.49)   14.14                74
 12/26/2014   15:02:23   (  78.01,-156.89) 12/26/2014   15:02:25  (  78.02,-156.79)    2.49                 2
 12/26/2014   15:47:45   ( -79.89,  95.50) 12/26/2014   15:48:58  ( -79.23,  92.89)   90.12                73
 12/29/2014   06:29:37   ( -77.37, 148.58) 12/29/2014   06:28:46  ( -77.36, 148.56)    0.75                51
 12/29/2014   07:18:44   (  78.20, -40.12) 12/29/2014   07:19:10  (  78.21, -40.02)    2.32                26
 12/31/2014   22:45:52   ( -77.80, -93.69) 12/31/2014   22:45:26  ( -77.80, -93.63)    1.66                26
 12/31/2014   23:35:07   (  78.27,  76.12) 12/31/2014   23:35:59  (  78.26,  76.07)    1.23                52
 01/03/2015   14:14:29   (  72.77,-159.89) 01/03/2015   14:13:16  (  72.87,-160.71)   29.23                73
 01/03/2015   15:02:10   ( -78.02,  23.20) 01/03/2015   15:02:11  ( -78.02,  23.23)    0.82                 1