Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2018 7 24.  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)
 07/25/2018   11:25:20   (  79.32, -95.73) 07/25/2018   11:24:35  (  79.32, -95.66)    1.68                45
 07/25/2018   12:14:43   ( -79.48,  72.98) 07/25/2018   12:15:16  ( -79.47,  72.87)    2.39                33
 07/28/2018   03:41:46   (  79.36,  20.46) 07/28/2018   03:41:30  (  79.36,  20.43)    0.84                16
 07/28/2018   04:31:06   ( -79.64,-170.01) 07/28/2018   04:32:07  ( -79.64,-169.92)    1.86                61
 07/30/2018   19:08:53   ( -79.18, -32.46) 07/30/2018   19:07:48  ( -79.19, -32.44)    0.64                65
 07/30/2018   19:58:13   (  79.41, 136.64) 07/30/2018   19:58:26  (  79.40, 136.50)    2.88                13
 08/02/2018   11:25:19   ( -79.27,  83.94) 08/02/2018   11:24:43  ( -79.26,  83.90)    0.77                36
 08/02/2018   12:14:37   (  79.56,-106.42) 08/02/2018   12:15:18  (  79.57,-106.33)    2.00                41
 08/05/2018   03:41:44   ( -79.38,-159.43) 08/05/2018   03:41:37  ( -79.37,-159.50)    1.63                 7
 08/05/2018   04:31:03   (  79.64,   9.99) 08/05/2018   04:32:13  (  79.64,  10.03)    0.90                70
 08/07/2018   19:08:48   (  79.21, 147.69) 08/07/2018   19:07:52  (  79.21, 147.72)    0.61                56