Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2018 10 4.  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)
 10/05/2018   10:35:34   (  79.27, -83.67) 10/05/2018   10:34:29  (  79.27, -83.76)    1.75                65
 10/05/2018   11:24:53   ( -79.59,  86.10) 10/05/2018   11:25:05  ( -79.58,  86.05)    1.11                12
 10/08/2018   02:51:59   (  79.40,  33.07) 10/08/2018   02:51:20  (  79.40,  33.04)    0.65                39
 10/08/2018   03:41:19   ( -79.68,-157.36) 10/08/2018   03:41:57  ( -79.68,-157.37)    0.34                38
 10/10/2018   19:08:24   (  79.53, 149.80) 10/10/2018   19:08:11  (  79.53, 149.84)    0.89                13
 10/10/2018   19:57:45   ( -79.76, -40.84) 10/10/2018   19:58:49  ( -79.77, -40.79)    0.99                64
 10/13/2018   10:35:33   ( -79.28,  96.40) 10/13/2018   10:34:29  ( -79.27,  96.27)    2.86                64
 10/13/2018   11:24:49   (  79.65, -93.47) 10/13/2018   11:25:02  (  79.65, -93.34)    2.87                13
 10/16/2018   02:51:57   ( -79.40,-146.93) 10/16/2018   02:51:19  ( -79.40,-146.97)    0.81                38
 10/16/2018   03:41:15   (  79.68,  22.69) 10/16/2018   03:41:55  (  79.68,  22.64)    1.17                40
 10/18/2018   19:08:21   ( -79.55, -30.01) 10/18/2018   19:08:09  ( -79.56, -29.92)    1.81                12