Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2014 6 8.  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)
 06/09/2014   15:03:59   ( -73.49,   9.04) 06/09/2014   15:02:45  ( -73.58,   8.54)   18.79                74
 06/09/2014   15:52:16   (  76.91,-173.89) 06/09/2014   15:52:18  (  76.91,-173.89)    0.24                 2
 06/12/2014   07:19:29   ( -76.35, 132.42) 06/12/2014   07:18:45  ( -76.35, 132.38)    1.10                44
 06/12/2014   08:08:37   (  77.18, -57.00) 06/12/2014   08:09:10  (  77.19, -56.97)    0.99                33
 06/14/2014   23:35:48   ( -76.71,-110.49) 06/14/2014   23:35:35  ( -76.72,-110.45)    1.20                13
 06/15/2014   00:25:02   (  77.25,  59.14) 06/15/2014   00:26:07  (  77.24,  59.04)    2.72                65
 06/17/2014   15:03:01   (  76.01,-164.53) 06/17/2014   15:02:03  (  76.00,-164.60)    1.97                58
 06/17/2014   15:52:10   ( -76.91,   6.10) 06/17/2014   15:52:29  ( -76.90,   6.07)    0.92                19
 06/20/2014   07:19:20   (  76.29, -47.76) 06/20/2014   07:18:54  (  76.28, -47.84)    2.56                26