Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2018 6 5.  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)
 06/07/2018   11:25:27   (  79.35, -95.51) 06/07/2018   11:24:35  (  79.36, -95.42)    1.98                52
 06/07/2018   12:14:48   ( -79.59,  73.76) 06/07/2018   12:15:13  ( -79.60,  73.85)    2.02                25
 06/10/2018   03:41:54   (  79.42,  20.82) 06/10/2018   03:41:28  (  79.43,  20.88)    1.40                26
 06/10/2018   04:31:15   ( -79.66,-169.86) 06/10/2018   04:32:06  ( -79.66,-169.81)    1.08                51
 06/12/2018   19:58:20   (  79.52, 137.39) 06/12/2018   19:58:20  (  79.52, 137.45)    1.37                 0
 06/12/2018   20:45:19   ( -81.52,   0.85) 06/12/2018   20:46:32  ( -80.77,  -0.53)   86.40                73
 06/15/2018   11:25:27   ( -79.33,  84.34) 06/15/2018   11:24:35  ( -79.34,  84.42)    1.81                52
 06/15/2018   12:14:46   (  79.58,-106.33) 06/15/2018   12:15:12  (  79.59,-106.25)    1.92                26
 06/18/2018   03:41:53   ( -79.43,-159.15) 06/18/2018   03:41:27  ( -79.44,-159.03)    2.65                26