Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2018 10 14.  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)
 10/16/2018   02:51:56   ( -79.44,-146.69) 10/16/2018   02:51:18  ( -79.43,-146.72)    0.84                38
 10/16/2018   03:41:16   (  79.65,  22.46) 10/16/2018   03:41:56  (  79.65,  22.39)    1.40                40
 10/18/2018   19:08:21   ( -79.55, -30.03) 10/18/2018   19:08:09  ( -79.56, -29.94)    2.06                12
 10/18/2018   19:57:40   (  79.79, 139.41) 10/18/2018   19:58:46  (  79.80, 139.49)    1.78                66
 10/21/2018   10:35:26   (  79.37, -83.00) 10/21/2018   10:34:24  (  79.37, -83.01)    0.32                62
 10/21/2018   11:24:47   ( -79.62,  86.34) 10/21/2018   11:25:02  ( -79.61,  86.30)    0.84                15
 10/24/2018   02:51:53   (  79.39,  33.04) 10/24/2018   02:51:18  (  79.39,  32.92)    2.41                35
 10/24/2018   03:41:14   ( -79.64,-157.60) 10/24/2018   03:41:56  ( -79.63,-157.75)    3.05                42
 10/26/2018   19:08:14   (  79.60, 150.36) 10/26/2018   19:08:05  (  79.61, 150.48)    2.39                 9