Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2014 10 21.  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)
 10/23/2014   13:25:12   (  72.22,-148.67) 10/23/2014   13:23:58  (  72.31,-149.05)   16.68                74
 10/23/2014   14:13:18   ( -76.39,  29.08) 10/23/2014   14:13:20  ( -76.39,  29.07)    0.33                 2
 10/23/2014   14:58:37   (  80.92, -82.47) 10/23/2014   14:59:50  (  80.28, -84.41)   79.17                73
 10/26/2014   05:40:37   (  75.40, -25.69) 10/26/2014   05:39:44  (  75.39, -25.77)    2.65                53
 10/26/2014   06:29:41   ( -76.55, 145.50) 10/26/2014   06:30:05  ( -76.54, 145.42)    2.52                24
 10/28/2014   21:56:52   (  75.96,  91.83) 10/28/2014   21:56:21  (  75.95,  91.81)    0.69                31
 10/28/2014   22:45:59   ( -76.95, -97.21) 10/28/2014   22:46:45  ( -76.95, -97.23)    0.39                46
 10/31/2014   14:13:10   (  76.31,-151.15) 10/31/2014   14:13:02  (  76.31,-151.15)    0.27                 8
 10/31/2014   15:02:18   ( -77.24,  19.80) 10/31/2014   15:03:27  ( -77.24,  19.81)    0.25                69
 11/03/2014   05:40:27   ( -75.44, 154.48) 11/03/2014   05:39:26  ( -75.44, 154.42)    1.70                61