Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2018 11 30.  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)
 12/03/2018   02:51:56   ( -79.44,-146.56) 12/03/2018   02:51:17  ( -79.44,-146.64)    1.70                39
 12/03/2018   03:41:14   (  79.74,  23.22) 12/03/2018   03:41:52  (  79.74,  23.25)    0.69                38
 12/05/2018   19:08:22   ( -79.55, -29.93) 12/05/2018   19:08:09  ( -79.54, -30.04)    2.57                13
 12/05/2018   19:57:41   (  79.81, 139.61) 12/05/2018   19:58:45  (  79.81, 139.59)    0.41                64
 12/08/2018   10:35:26   (  79.42, -82.58) 12/08/2018   10:34:21  (  79.42, -82.59)    0.28                65
 12/08/2018   11:24:48   ( -79.62,  86.41) 12/08/2018   11:25:01  ( -79.61,  86.28)    2.89                13
 12/11/2018   02:51:53   (  79.48,  33.71) 12/11/2018   02:51:14  (  79.48,  33.69)    0.36                39
 12/11/2018   03:41:14   ( -79.71,-157.01) 12/11/2018   03:41:53  ( -79.70,-157.13)    2.70                39
 12/13/2018   19:08:18   (  79.61, 150.50) 12/13/2018   19:08:05  (  79.61, 150.51)    0.32                13