Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2018 11 9.  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)
 11/11/2018   19:08:19   (  79.55, 150.01) 11/11/2018   19:08:08  (  79.55, 150.00)    0.22                11
 11/11/2018   19:57:40   ( -79.78, -40.65) 11/11/2018   19:58:46  ( -79.78, -40.64)    0.40                66
 11/14/2018   10:35:29   ( -79.32,  96.70) 11/14/2018   10:34:26  ( -79.31,  96.56)    3.04                63
 11/14/2018   11:24:46   (  79.65, -93.37) 11/14/2018   11:25:00  (  79.66, -93.30)    1.66                14
 11/17/2018   02:51:55   ( -79.46,-146.48) 11/17/2018   02:51:17  ( -79.46,-146.51)    0.59                38
 11/17/2018   03:41:15   (  79.67,  22.68) 11/17/2018   03:41:55  (  79.67,  22.56)    2.50                40
 11/19/2018   19:08:20   ( -79.59, -29.67) 11/19/2018   19:08:07  ( -79.60, -29.56)    2.41                13
 11/19/2018   19:57:40   (  79.80, 139.53) 11/19/2018   19:58:45  (  79.80, 139.54)    0.29                65
 11/22/2018   10:35:28   (  79.37, -83.00) 11/22/2018   10:34:24  (  79.36, -83.09)    2.11                64