Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2014 5 17.  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)
 05/19/2014   08:08:42   ( -77.35, 123.63) 05/19/2014   08:08:36  ( -77.36, 123.74)    3.07                 6
 05/19/2014   08:57:58   (  77.79, -66.89) 05/19/2014   08:59:10  (  77.79, -66.88)    0.56                72
 05/21/2014   23:36:01   (  76.64,  69.24) 05/21/2014   23:35:06  (  76.63,  69.19)    1.38                55
 05/22/2014   00:25:14   ( -77.32,-120.61) 05/22/2014   00:25:36  ( -77.31,-120.67)    1.57                22
 05/24/2014   15:52:26   (  76.97,-173.72) 05/24/2014   15:51:57  (  76.98,-173.66)    1.58                29
 05/24/2014   16:41:40   ( -77.60,  -3.63) 05/24/2014   16:42:28  ( -77.60,  -3.57)    1.62                48
 05/27/2014   08:08:56   (  77.10, -57.39) 05/27/2014   08:08:53  (  77.09, -57.40)    0.04                 3
 05/27/2014   08:58:06   ( -77.90, 113.53) 05/27/2014   08:59:20  ( -77.88, 113.57)    2.03                74
 05/29/2014   23:36:17   ( -76.42,-111.56) 05/29/2014   23:35:22  ( -76.41,-111.64)    2.25                55