Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2014 7 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)
 07/24/2014   22:46:22   ( -75.86,-100.84) 07/24/2014   22:46:08  ( -75.86,-100.81)    0.66                14
 07/24/2014   23:35:32   (  76.60,  69.19) 07/24/2014   23:36:36  (  76.59,  69.12)    2.19                64
 07/27/2014   14:13:35   (  75.06,-154.83) 07/27/2014   14:12:38  (  75.06,-154.86)    1.18                57
 07/27/2014   15:02:43   ( -76.05,  15.62) 07/27/2014   15:03:03  ( -76.04,  15.54)    2.25                20
 07/30/2014   06:29:47   (  75.74, -37.05) 07/30/2014   06:29:23  (  75.75, -36.96)    2.77                24
 07/30/2014   07:18:58   ( -76.56, 133.17) 07/30/2014   07:19:51  ( -76.56, 133.23)    1.72                53
 08/01/2014   21:57:08   ( -74.71, -91.61) 08/01/2014   21:56:01  ( -74.70, -91.67)    1.95                67
 08/01/2014   22:46:07   (  76.00,  79.64) 08/01/2014   22:46:17  (  76.01,  79.69)    1.52                10
 08/04/2014   14:13:26   ( -75.07,  25.23) 08/04/2014   14:12:53  ( -75.06,  25.13)    2.91                33