Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2018 2 5.  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)
 02/07/2018   11:25:33   ( -79.56,  86.10) 02/07/2018   11:24:26  ( -79.55,  86.03)    1.44                67
 02/07/2018   12:14:53   (  79.77,-104.67) 02/07/2018   12:15:04  (  79.77,-104.81)    2.69                11
 02/10/2018   03:41:57   ( -79.71,-156.88) 02/10/2018   03:41:13  ( -79.72,-156.75)    2.64                44
 02/10/2018   04:31:17   (  79.92,  12.38) 02/10/2018   04:31:51  (  79.92,  12.47)    1.72                34
 02/12/2018   19:58:25   ( -79.75, -40.68) 02/12/2018   19:58:05  ( -79.76, -40.64)    0.76                20
 02/12/2018   20:47:45   (  79.96, 128.57) 02/12/2018   20:48:43  (  79.95, 128.57)    0.26                58
 02/15/2018   11:25:31   (  79.59, -93.64) 02/15/2018   11:24:18  (  79.59, -93.65)    0.35                73
 02/15/2018   12:14:53   ( -79.79,  75.49) 02/15/2018   12:14:57  ( -79.79,  75.45)    0.71                 4
 02/18/2018   03:41:58   (  79.66,  22.75) 02/18/2018   03:41:09  (  79.65,  22.69)    1.36                49