Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2018 6 29.  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)
 07/01/2018   11:25:24   ( -79.33,  84.38) 07/01/2018   11:24:33  ( -79.34,  84.49)    2.33                51
 07/01/2018   12:14:43   (  79.59,-106.25) 07/01/2018   12:15:10  (  79.59,-106.15)    2.04                27
 07/04/2018   03:41:51   ( -79.37,-159.50) 07/04/2018   03:41:26  ( -79.37,-159.55)    1.30                25
 07/04/2018   04:31:11   (  79.58,   9.60) 07/04/2018   04:32:04  (  79.58,   9.52)    1.64                53
 07/06/2018   19:11:07   (  72.98, 126.30) 07/06/2018   19:09:54  (  73.29, 124.43)   68.98                73
 07/06/2018   19:58:16   ( -79.51, -42.65) 07/06/2018   19:58:16  ( -79.52, -42.53)    2.44                 0
 07/09/2018   11:25:23   (  79.28, -95.95) 07/09/2018   11:24:32  (  79.29, -95.91)    0.83                51
 07/09/2018   12:14:44   ( -79.54,  73.39) 07/09/2018   12:15:10  ( -79.54,  73.41)    0.65                26
 07/12/2018   03:41:49   (  79.38,  20.53) 07/12/2018   03:41:24  (  79.37,  20.52)    0.46                25