Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2015 6 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)
 06/07/2015   08:57:51   (  78.55, -63.27) 06/07/2015   08:57:31  (  78.55, -63.23)    0.87                20
 06/07/2015   09:47:08   ( -78.97, 106.72) 06/07/2015   09:48:05  ( -78.98, 106.80)    1.96                57
 06/10/2015   00:25:02   ( -78.13,-117.12) 06/10/2015   00:23:52  ( -78.12,-117.22)    2.34                70
 06/10/2015   01:14:14   (  78.71,  53.49) 06/10/2015   01:14:21  (  78.72,  53.52)    0.73                 7
 06/12/2015   16:41:21   ( -78.41,   0.13) 06/12/2015   16:40:38  ( -78.41,   0.12)    0.25                43
 06/12/2015   17:30:34   (  78.94, 170.63) 06/12/2015   17:31:08  (  78.94, 170.76)    2.97                34
 06/15/2015   08:57:45   ( -78.49, 116.45) 06/15/2015   08:57:30  ( -78.49, 116.37)    1.83                15
 06/15/2015   09:46:58   (  79.01, -73.03) 06/15/2015   09:48:00  (  79.02, -72.97)    1.28                62
 06/18/2015   00:24:51   (  78.15,  63.00) 06/18/2015   00:23:47  (  78.14,  62.88)    2.78                64