Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2014 7 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)
 07/16/2014   22:46:34   (  75.63,  78.45) 07/16/2014   22:45:58  (  75.62,  78.38)    2.21                36
 07/16/2014   23:35:43   ( -76.54,-111.07) 07/16/2014   23:36:24  ( -76.53,-111.15)    2.16                41
 07/19/2014   14:18:54   ( -57.92,   4.58) 07/19/2014   14:17:42  ( -58.16,   2.95)   99.48                72
 07/19/2014   15:02:48   (  76.20,-163.91) 07/19/2014   15:02:45  (  76.21,-163.84)    1.85                 3
 07/19/2014   15:51:47   ( -77.55,   8.62) 07/19/2014   15:53:01  ( -77.52,   8.78)    5.57                74
 07/22/2014   06:30:03   ( -75.47, 142.14) 07/22/2014   06:29:17  ( -75.47, 142.13)    0.16                46
 07/22/2014   07:19:12   (  76.26, -47.83) 07/22/2014   07:19:44  (  76.25, -47.93)    2.94                32
 07/24/2014   22:46:21   ( -75.75,-101.16) 07/24/2014   22:46:10  ( -75.74,-101.23)    2.16                11
 07/24/2014   23:35:24   (  76.81,  69.94) 07/24/2014   23:36:30  (  76.82,  70.00)    1.66                66
 07/27/2014   14:13:27   (  75.25,-154.30) 07/27/2014   14:12:34  (  75.25,-154.29)    0.31                53