Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2014 9 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)
 09/21/2014   13:28:51   (  59.36,-162.15) 09/21/2014   13:27:38  (  59.59,-163.44)   77.03                73
 09/21/2014   14:13:20   ( -75.86,  27.42) 09/21/2014   14:13:17  ( -75.87,  27.49)    2.18                 3
 09/21/2014   15:01:47   (  78.57,-154.23) 09/21/2014   15:03:01  (  78.45,-153.87)   15.05                74
 09/24/2014   05:40:36   (  74.96, -26.85) 09/24/2014   05:39:47  (  74.96, -26.87)    0.56                49
 09/24/2014   06:29:41   ( -76.07, 143.95) 09/24/2014   06:30:09  ( -76.07, 143.92)    0.71                28
 09/26/2014   21:56:49   (  75.48,  90.46) 09/26/2014   21:56:31  (  75.48,  90.47)    0.53                18
 09/26/2014   22:45:55   ( -76.52, -98.69) 09/26/2014   22:46:54  ( -76.53, -98.65)    0.99                59
 09/29/2014   13:24:03   ( -74.68,  36.59) 09/29/2014   13:23:00  ( -74.68,  36.58)    0.17                63
 09/29/2014   14:13:04   (  75.90,-152.41) 09/29/2014   14:13:18  (  75.90,-152.40)    0.29                14
 10/02/2014   05:40:18   ( -75.07, 153.49) 10/02/2014   05:39:48  ( -75.06, 153.43)    1.85                30
 10/02/2014   06:29:21   (  76.18, -35.65) 10/02/2014   06:30:08  (  76.18, -35.69)    1.30                47
 10/04/2014   21:07:39   (  73.70,  98.49) 10/04/2014   21:06:25  (  73.74,  98.43)    4.68                74
 10/04/2014   21:56:26   ( -75.76, -88.68) 10/04/2014   21:56:29  ( -75.76, -88.64)    1.03                 3