Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2015 1 25.  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)
 01/27/2015   15:02:29   (  77.75,-157.99) 01/27/2015   15:01:28  (  77.75,-157.99)    0.15                61
 01/27/2015   15:51:42   ( -78.37,  12.56) 01/27/2015   15:51:58  ( -78.37,  12.57)    0.07                16
 01/30/2015   07:18:55   (  77.85, -41.67) 01/30/2015   07:18:15  (  77.84, -41.77)    2.40                40
 01/30/2015   08:08:08   ( -78.47, 128.93) 01/30/2015   08:08:45  ( -78.46, 128.85)    1.95                37
 02/01/2015   23:35:16   (  78.14,  75.54) 02/01/2015   23:34:57  (  78.13,  75.49)    1.43                19
 02/02/2015   00:24:31   ( -78.66,-114.16) 02/02/2015   00:25:29  ( -78.66,-114.19)    0.66                58
 02/04/2015   15:02:58   ( -76.26,  16.46) 02/04/2015   15:01:44  ( -76.33,  16.13)   11.21                74
 02/04/2015   15:51:35   (  78.48,-166.87) 02/04/2015   15:51:37  (  78.48,-166.75)    2.88                 2
 02/07/2015   07:18:43   ( -78.12, 139.60) 02/07/2015   07:17:50  ( -78.12, 139.71)    2.73                53