Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2018 7 3.  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,-159.68) 07/04/2018   03:41:27  ( -79.34,-159.77)    2.07                25
 07/04/2018   04:31:11   (  79.60,   9.71) 07/04/2018   04:32:04  (  79.59,   9.59)    2.56                53
 07/06/2018   19:11:30   (  71.79, 124.10) 07/06/2018   19:10:17  (  72.13, 122.04)   80.66                73
 07/06/2018   19:58:18   ( -79.46, -43.03) 07/06/2018   19:58:18  ( -79.46, -43.02)    0.34                 0
 07/09/2018   11:25:26   (  79.20, -96.47) 07/09/2018   11:24:35  (  79.19, -96.62)    3.14                51
 07/09/2018   12:14:44   ( -79.57,  73.60) 07/09/2018   12:15:09  ( -79.58,  73.75)    3.11                25
 07/12/2018   03:41:50   (  79.35,  20.36) 07/12/2018   03:41:24  (  79.35,  20.34)    0.32                26
 07/12/2018   04:31:11   ( -79.60,-170.30) 07/12/2018   04:32:02  ( -79.60,-170.31)    0.19                51
 07/14/2018   19:58:15   (  79.49, 137.19) 07/14/2018   19:58:14  (  79.50, 137.32)    2.81                 1
 07/14/2018   20:45:53   ( -81.84, -15.70) 07/14/2018   20:47:06  ( -81.28, -15.54)   62.87                73
 07/17/2018   11:25:24   ( -79.27,  83.93) 07/17/2018   11:24:31  ( -79.27,  83.99)    1.56                53