Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2014 6 15.  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   15:02:59   (  76.01,-164.51) 06/17/2014   15:02:03  (  76.00,-164.61)    2.77                56
 06/17/2014   15:52:08   ( -76.90,   6.08) 06/17/2014   15:52:29  ( -76.89,   6.03)    1.41                21
 06/20/2014   07:19:11   (  76.58, -46.77) 06/20/2014   07:18:47  (  76.59, -46.71)    1.77                24
 06/20/2014   08:08:28   ( -77.08, 122.64) 06/20/2014   08:09:22  ( -77.07, 122.53)    2.88                54
 06/22/2014   22:46:22   ( -76.00,-100.41) 06/22/2014   22:45:14  ( -76.00,-100.37)    1.11                68
 06/22/2014   23:35:29   (  76.88,  70.17) 06/22/2014   23:35:38  (  76.89,  70.28)    3.00                 9
 06/25/2014   15:02:42   ( -76.18,  16.07) 06/25/2014   15:02:08  ( -76.18,  16.03)    1.30                34
 06/25/2014   15:51:49   (  77.05,-173.28) 06/25/2014   15:52:32  (  77.06,-173.25)    0.87                43
 06/28/2014   06:32:27   (  67.13, -52.15) 06/28/2014   06:31:14  (  67.31, -53.34)   55.10                73
 06/28/2014   07:18:58   ( -76.53, 133.12) 06/28/2014   07:18:58  ( -76.53, 133.09)    0.95                 0