Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2015 8 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)
 08/07/2015   16:40:56   (  78.44,-179.68) 08/07/2015   16:39:56  (  78.44,-179.65)    0.87                60
 08/07/2015   17:30:12   ( -78.91,  -9.48) 08/07/2015   17:30:29  ( -78.92,  -9.38)    2.37                17
 08/10/2015   08:57:24   (  78.48, -63.61) 08/10/2015   08:56:48  (  78.47, -63.73)    2.81                36
 08/10/2015   09:46:39   ( -78.95, 106.63) 08/10/2015   09:47:20  ( -78.95, 106.56)    1.62                41
 08/13/2015   01:13:45   (  78.75,  53.74) 08/13/2015   01:13:32  (  78.76,  53.80)    1.46                13
 08/13/2015   02:03:03   ( -79.14,-136.38) 08/13/2015   02:04:07  ( -79.15,-136.27)    2.44                64
 08/15/2015   16:40:58   ( -78.32,  -0.28) 08/15/2015   16:39:52  ( -78.32,  -0.38)    2.25                66
 08/15/2015   17:30:10   (  78.89, 170.38) 08/15/2015   17:30:21  (  78.89, 170.43)    1.19                11
 08/18/2015   08:57:21   ( -78.54, 116.68) 08/18/2015   08:56:39  ( -78.53, 116.63)    1.30                42