Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2018 10 12.  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)
 10/13/2018   10:35:33   ( -79.27,  96.32) 10/13/2018   10:34:28  ( -79.26,  96.21)    2.45                65
 10/13/2018   11:24:51   (  79.56, -94.10) 10/13/2018   11:25:04  (  79.55, -94.20)    2.19                13
 10/16/2018   02:51:58   ( -79.40,-146.98) 10/16/2018   02:51:19  ( -79.39,-147.09)    2.42                39
 10/16/2018   03:41:17   (  79.64,  22.35) 10/16/2018   03:41:56  (  79.63,  22.26)    1.98                39
 10/18/2018   19:08:24   ( -79.47, -30.56) 10/18/2018   19:08:11  ( -79.47, -30.67)    2.21                13
 10/18/2018   19:57:43   (  79.71, 138.79) 10/18/2018   19:58:48  (  79.71, 138.71)    1.70                65
 10/21/2018   10:35:27   (  79.33, -83.27) 10/21/2018   10:34:23  (  79.33, -83.29)    0.52                64
 10/21/2018   11:24:48   ( -79.59,  86.11) 10/21/2018   11:25:01  ( -79.58,  86.02)    1.86                13
 10/24/2018   02:51:52   (  79.44,  33.35) 10/24/2018   02:51:14  (  79.44,  33.34)    0.17                38