Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2018 7 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)
 07/17/2018   11:25:23   ( -79.28,  84.01) 07/17/2018   11:24:30  ( -79.29,  84.09)    1.69                53
 07/17/2018   12:14:43   (  79.50,-106.86) 07/17/2018   12:15:08  (  79.50,-106.89)    0.48                25
 07/20/2018   03:41:50   ( -79.34,-159.72) 07/20/2018   03:41:23  ( -79.34,-159.74)    0.53                27
 07/20/2018   04:31:10   (  79.56,   9.41) 07/20/2018   04:32:01  (  79.55,   9.28)    2.91                51
 07/22/2018   19:58:17   ( -79.39, -43.48) 07/22/2018   19:58:16  ( -79.39, -43.58)    2.31                 1
 07/22/2018   20:45:46   (  81.84, 166.47) 07/22/2018   20:46:59  (  81.25, 166.34)   65.55                73
 07/25/2018   11:25:21   (  79.27, -96.02) 07/25/2018   11:24:28  (  79.27, -95.98)    0.68                53
 07/25/2018   12:14:41   ( -79.56,  73.53) 07/25/2018   12:15:05  ( -79.56,  73.65)    2.73                24
 07/28/2018   03:41:47   (  79.32,  20.16) 07/28/2018   03:41:20  (  79.32,  20.13)    0.67                27
 07/28/2018   04:31:07   ( -79.60,-170.28) 07/28/2018   04:31:57  ( -79.61,-170.19)    1.83                50
 07/30/2018   19:58:13   (  79.40, 136.57) 07/30/2018   19:58:12  (  79.39, 136.50)    1.55                 1