Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2018 6 3.  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)
 06/04/2018   19:58:23   ( -79.45, -43.10) 06/04/2018   19:58:23  ( -79.44, -43.23)    2.86                 0
 06/07/2018   11:25:27   (  79.36, -95.46) 06/07/2018   11:24:35  (  79.37, -95.37)    1.89                52
 06/07/2018   12:14:48   ( -79.60,  73.83) 06/07/2018   12:15:13  ( -79.61,  73.92)    1.87                25
 06/10/2018   03:41:54   (  79.43,  20.88) 06/10/2018   03:41:28  (  79.43,  20.93)    1.00                26
 06/10/2018   04:31:15   ( -79.67,-169.78) 06/10/2018   04:32:06  ( -79.67,-169.75)    0.71                51
 06/12/2018   19:58:20   (  79.49, 137.19) 06/12/2018   19:58:20  (  79.50, 137.22)    0.52                 0
 06/12/2018   20:45:28   ( -81.66,  -3.06) 06/12/2018   20:46:41  ( -80.95,  -4.02)   80.70                73
 06/15/2018   11:25:28   ( -79.31,  84.17) 06/15/2018   11:24:36  ( -79.31,  84.18)    0.38                52