Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2015 6 29.  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)
 07/01/2015   08:57:34   ( -78.67, 117.38) 07/01/2015   08:57:16  ( -78.68, 117.49)    2.56                18
 07/01/2015   09:46:54   (  78.91, -73.63) 07/01/2015   09:47:54  (  78.90, -73.74)    2.47                60
 07/04/2015   00:24:47   (  78.17,  63.07) 07/04/2015   00:23:37  (  78.16,  62.97)    2.55                70
 07/04/2015   01:14:01   ( -78.73,-126.38) 07/04/2015   01:14:08  ( -78.74,-126.37)    0.34                 7
 07/06/2015   16:41:07   (  78.52,-179.28) 07/06/2015   16:40:21  (  78.53,-179.17)    2.61                46
 07/06/2015   17:30:26   ( -78.87,  -9.75) 07/06/2015   17:30:58  ( -78.87,  -9.77)    0.61                32
 07/09/2015   08:57:31   (  78.69, -62.52) 07/09/2015   08:57:10  (  78.70, -62.39)    2.95                21
 07/09/2015   09:46:51   ( -78.99, 106.84) 07/09/2015   09:47:48  ( -78.99, 106.84)    0.09                57
 07/12/2015   00:24:44   ( -78.18,-116.85) 07/12/2015   00:23:32  ( -78.18,-116.95)    2.42                72