Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2015 5 26.  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)
 05/27/2015   16:41:34   ( -78.26,  -0.62) 05/27/2015   16:40:47  ( -78.26,  -0.67)    1.27                47
 05/27/2015   17:30:46   (  78.84, 170.07) 05/27/2015   17:31:16  (  78.85, 170.20)    3.12                30
 05/30/2015   08:57:53   ( -78.48, 116.34) 05/30/2015   08:57:36  ( -78.48, 116.33)    0.19                17
 05/30/2015   09:47:10   (  78.84, -74.06) 05/30/2015   09:48:11  (  78.84, -74.15)    2.02                61
 06/02/2015   00:24:54   (  78.28,  63.59) 06/02/2015   00:23:50  (  78.28,  63.68)    2.13                64
 06/02/2015   01:14:09   ( -78.76,-126.28) 06/02/2015   01:14:22  ( -78.76,-126.16)    2.77                13
 06/04/2015   16:41:13   (  78.41,-179.83) 06/04/2015   16:40:40  (  78.41,-179.82)    0.36                33
 06/04/2015   17:30:29   ( -78.89,  -9.64) 06/04/2015   17:31:13  ( -78.89,  -9.58)    1.32                44
 06/07/2015   08:57:31   (  78.62, -62.87) 06/07/2015   08:57:29  (  78.62, -62.85)    0.40                 2