Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2015 5 2.  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)
 05/03/2015   16:41:55   (  78.09, 178.54) 05/03/2015   16:40:52  (  78.09, 178.47)    1.63                63
 05/03/2015   17:31:12   ( -78.54, -11.62) 05/03/2015   17:31:26  ( -78.53, -11.72)    2.25                14
 05/06/2015   08:58:21   (  78.28, -64.70) 05/06/2015   08:57:43  (  78.27, -64.77)    1.69                38
 05/06/2015   09:47:38   ( -78.72, 105.22) 05/06/2015   09:48:17  ( -78.71, 105.12)    2.28                39
 05/09/2015   01:14:45   (  78.52,  52.39) 05/09/2015   01:14:32  (  78.53,  52.46)    1.66                13
 05/09/2015   02:04:03   ( -78.91,-137.83) 05/09/2015   02:05:07  ( -78.92,-137.78)    1.15                64
 05/11/2015   16:41:58   ( -78.07,  -1.61) 05/11/2015   16:40:54  ( -78.06,  -1.71)    2.51                64
 05/11/2015   17:31:09   (  78.69, 169.16) 05/11/2015   17:31:22  (  78.70, 169.25)    2.14                13
 05/14/2015   08:58:19   ( -78.39, 115.82) 05/14/2015   08:57:41  ( -78.39, 115.87)    1.17                38