Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2018 7 1.  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   03:41:52   ( -79.34,-159.73) 07/04/2018   03:41:27  ( -79.33,-159.83)    2.02                25
 07/04/2018   04:31:11   (  79.59,   9.63) 07/04/2018   04:32:04  (  79.58,   9.52)    2.42                53
 07/06/2018   19:11:26   (  71.99, 124.44) 07/06/2018   19:10:13  (  72.33, 122.42)   78.74                73
 07/06/2018   19:58:18   ( -79.45, -43.10) 07/06/2018   19:58:18  ( -79.45, -43.07)    0.67                 0
 07/09/2018   11:25:25   (  79.23, -96.31) 07/09/2018   11:24:34  (  79.22, -96.42)    2.48                51
 07/09/2018   12:14:46   ( -79.48,  73.00) 07/09/2018   12:15:12  ( -79.47,  72.87)    2.68                26
 07/12/2018   03:41:50   (  79.37,  20.51) 07/12/2018   03:41:24  (  79.38,  20.55)    0.76                26
 07/12/2018   04:31:11   ( -79.62,-170.13) 07/12/2018   04:32:02  ( -79.62,-170.09)    0.87                51
 07/14/2018   19:58:17   (  79.40, 136.55) 07/14/2018   19:58:17  (  79.39, 136.45)    2.01                 0