Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2014 6 16.  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)
 06/17/2014   15:02:58   (  76.04,-164.42) 06/17/2014   15:02:02  (  76.03,-164.50)    2.44                56
 06/17/2014   15:52:07   ( -76.92,   6.18) 06/17/2014   15:52:28  ( -76.92,   6.15)    0.82                21
 06/20/2014   07:19:11   (  76.61, -46.67) 06/20/2014   07:18:47  (  76.62, -46.58)    2.74                24
 06/20/2014   08:08:27   ( -77.15, 122.91) 06/20/2014   08:09:21  ( -77.14, 122.85)    1.62                54
 06/22/2014   22:46:26   ( -75.77,-101.08) 06/22/2014   22:45:19  ( -75.76,-101.17)    2.80                67
 06/22/2014   23:35:32   (  76.71,  69.58) 06/22/2014   23:35:42  (  76.71,  69.54)    1.21                10
 06/25/2014   15:02:37   ( -76.39,  16.74) 06/25/2014   15:02:03  ( -76.40,  16.82)    2.06                34
 06/25/2014   15:51:51   (  76.93,-173.74) 06/25/2014   15:52:35  (  76.92,-173.82)    2.10                44
 06/28/2014   06:31:48   (  69.26, -49.61) 06/28/2014   06:30:35  (  69.40, -50.61)   42.20                73
 06/28/2014   07:18:58   ( -76.49, 132.98) 06/28/2014   07:18:59  ( -76.48, 132.91)    2.13                 1