Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2015 1 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)
 01/11/2015   15:02:29   (  77.70,-158.25) 01/11/2015   15:02:04  (  77.69,-158.37)    2.89                25
 01/11/2015   15:51:37   ( -78.54,  13.38) 01/11/2015   15:52:28  ( -78.54,  13.47)    2.20                51
 01/14/2015   07:19:10   (  77.96, -41.27) 01/14/2015   07:18:46  (  77.97, -41.20)    1.66                24
 01/14/2015   08:08:25   ( -78.50, 128.99) 01/14/2015   08:09:18  ( -78.50, 129.00)    0.29                53
 01/16/2015   23:36:08   (  77.88,  74.11) 01/16/2015   23:35:38  (  77.87,  74.10)    0.30                30
 01/17/2015   00:25:24   ( -78.38,-115.86) 01/17/2015   00:26:11  ( -78.37,-115.95)    2.22                47
 01/19/2015   15:53:17   (  77.65,-171.12) 01/19/2015   15:52:33  (  77.65,-171.23)    2.61                44
 01/19/2015   16:42:27   ( -78.43,   0.14) 01/19/2015   16:42:59  ( -78.43,   0.18)    1.04                32
 01/22/2015   08:10:29   (  77.66, -55.40) 01/22/2015   08:09:22  (  77.66, -55.37)    0.79                67