Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2018 7 2.  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)
 07/04/2018   03:41:53   ( -79.32,-159.82) 07/04/2018   03:41:28  ( -79.32,-159.91)    2.08                25
 07/04/2018   04:31:12   (  79.58,   9.56) 07/04/2018   04:32:05  (  79.57,   9.44)    2.50                53
 07/06/2018   19:11:28   (  71.86, 124.23) 07/06/2018   19:10:15  (  72.21, 122.19)   79.92                73
 07/06/2018   19:58:17   ( -79.48, -42.92) 07/06/2018   19:58:17  ( -79.48, -42.89)    0.51                 0
 07/09/2018   11:25:25   (  79.22, -96.37) 07/09/2018   11:24:34  (  79.21, -96.50)    2.77                51
 07/09/2018   12:14:46   ( -79.47,  72.93) 07/09/2018   12:15:12  ( -79.46,  72.79)    2.96                26
 07/12/2018   03:41:50   (  79.36,  20.45) 07/12/2018   03:41:24  (  79.37,  20.47)    0.33                26
 07/12/2018   04:31:11   ( -79.61,-170.20) 07/12/2018   04:32:02  ( -79.61,-170.18)    0.44                51
 07/14/2018   19:58:18   (  79.39, 136.50) 07/14/2018   19:58:18  (  79.38, 136.38)    2.60                 0