Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2014 12 24.  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)
 12/26/2014   14:13:39   ( -76.01,  27.94) 12/26/2014   14:12:25  ( -76.06,  27.73)    7.37                74
 12/26/2014   15:02:25   (  77.87,-157.54) 12/26/2014   15:02:28  (  77.87,-157.56)    0.51                 3
 12/29/2014   06:29:36   ( -77.37, 148.62) 12/29/2014   06:28:46  ( -77.37, 148.59)    0.73                50
 12/29/2014   07:18:43   (  78.21, -40.07) 12/29/2014   07:19:10  (  78.21, -39.98)    2.28                27
 12/31/2014   22:45:53   ( -77.68, -94.19) 12/31/2014   22:45:29  ( -77.68, -94.20)    0.31                24
 12/31/2014   23:35:01   (  78.46,  77.08) 12/31/2014   23:35:54  (  78.46,  77.21)    2.89                53
 01/03/2015   14:12:59   (  77.17,-148.01) 01/03/2015   14:11:46  (  77.16,-148.08)    1.91                73
 01/03/2015   15:02:10   ( -77.90,  22.69) 01/03/2015   15:02:14  ( -77.90,  22.62)    1.92                 4
 01/06/2015   06:29:09   (  77.58, -30.41) 01/06/2015   06:28:25  (  77.58, -30.42)    0.27                44