Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2015 6 7.  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   (  78.53, -63.37) 06/07/2015   08:57:31  (  78.53, -63.35)    0.60                20
 06/07/2015   09:47:07   ( -78.99, 106.83) 06/07/2015   09:48:04  ( -79.00, 106.91)    1.70                57
 06/10/2015   00:25:02   ( -78.10,-117.23) 06/10/2015   00:23:52  ( -78.10,-117.34)    2.57                70
 06/10/2015   01:14:14   (  78.69,  53.37) 06/10/2015   01:14:21  (  78.69,  53.39)    0.48                 7
 06/12/2015   16:41:22   ( -78.38,  -0.01) 06/12/2015   16:40:39  ( -78.38,  -0.02)    0.24                43
 06/12/2015   17:30:35   (  78.91, 170.48) 06/12/2015   17:31:09  (  78.92, 170.60)    2.88                34
 06/15/2015   08:57:45   ( -78.50, 116.49) 06/15/2015   08:57:30  ( -78.50, 116.42)    1.57                15
 06/15/2015   09:46:58   (  79.02, -72.97) 06/15/2015   09:48:00  (  79.03, -72.91)    1.54                62
 06/18/2015   00:24:49   (  78.19,  63.21) 06/18/2015   00:23:45  (  78.19,  63.12)    2.05                64
 06/18/2015   01:14:04   ( -78.72,-126.44) 06/18/2015   01:14:17  ( -78.72,-126.45)    0.36                13
 06/20/2015   16:41:06   (  78.53,-179.24) 06/20/2015   16:40:30  (  78.53,-179.18)    1.35                36