Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2015 10 6.  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)
 10/08/2015   01:13:27   ( -78.74,-126.29) 10/08/2015   01:12:38  ( -78.73,-126.38)    2.02                49
 10/08/2015   02:02:41   (  79.22,  44.20) 10/08/2015   02:03:09  (  79.22,  44.25)    1.14                28
 10/10/2015   17:29:51   ( -79.02,  -8.82) 10/10/2015   17:29:24  ( -79.02,  -8.71)    2.29                27
 10/10/2015   18:19:11   (  79.25, 160.26) 10/10/2015   18:20:02  (  79.25, 160.22)    0.92                51
 10/13/2015   09:46:18   ( -79.12, 107.65) 10/13/2015   09:46:14  ( -79.12, 107.75)    2.02                 4
 10/13/2015   10:35:30   (  79.65, -81.15) 10/13/2015   10:36:44  (  79.61, -81.16)    4.32                74
 10/16/2015   01:13:27   (  78.86,  54.40) 10/16/2015   01:12:29  (  78.87,  54.49)    1.87                58
 10/16/2015   02:02:49   ( -79.08,-136.68) 10/16/2015   02:03:09  ( -79.07,-136.81)    2.86                20
 10/18/2015   17:29:56   (  78.90, 170.46) 10/18/2015   17:29:22  (  78.89, 170.39)    1.64                34