Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2014 10 18.  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)
 10/20/2014   21:56:55   ( -76.12, -87.69) 10/20/2014   21:56:36  ( -76.12, -87.68)    0.15                19
 10/20/2014   22:46:02   (  77.01,  83.00) 10/20/2014   22:47:00  (  77.01,  82.98)    0.40                58
 10/23/2014   13:25:08   (  72.41,-148.32) 10/23/2014   13:23:54  (  72.50,-148.68)   15.63                74
 10/23/2014   14:13:17   ( -76.43,  29.19) 10/23/2014   14:13:19  ( -76.43,  29.20)    0.27                 2
 10/23/2014   14:58:33   (  80.82, -81.21) 10/23/2014   14:59:46  (  80.18, -83.24)   80.39                73
 10/26/2014   05:40:34   (  75.59, -25.16) 10/26/2014   05:39:41  (  75.58, -25.18)    0.85                53
 10/26/2014   06:29:39   ( -76.69, 145.96) 10/26/2014   06:30:03  ( -76.68, 145.95)    0.47                24
 10/28/2014   21:56:56   (  75.81,  91.38) 10/28/2014   21:56:26  (  75.80,  91.29)    2.52                30
 10/28/2014   22:46:02   ( -76.85, -97.56) 10/28/2014   22:46:49  ( -76.85, -97.63)    1.99                47
 10/31/2014   14:13:08   (  76.42,-150.80) 10/31/2014   14:13:01  (  76.42,-150.77)    0.87                 7