Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2018 11 27.  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)
 11/30/2018   10:35:28   ( -79.41,  97.32) 11/30/2018   10:34:23  ( -79.41,  97.31)    0.36                65
 11/30/2018   11:24:46   (  79.71, -92.93) 11/30/2018   11:24:58  (  79.71, -92.81)    2.38                12
 12/03/2018   02:51:56   ( -79.45,-146.54) 12/03/2018   02:51:17  ( -79.44,-146.62)    1.79                39
 12/03/2018   03:41:14   (  79.74,  23.22) 12/03/2018   03:41:52  (  79.74,  23.25)    0.66                38
 12/05/2018   19:08:23   ( -79.52, -30.16) 12/05/2018   19:08:10  ( -79.51, -30.30)    2.87                13
 12/05/2018   19:57:41   (  79.81, 139.62) 12/05/2018   19:58:45  (  79.81, 139.59)    0.68                64
 12/08/2018   10:35:27   (  79.39, -82.81) 12/08/2018   10:34:22  (  79.39, -82.85)    0.78                65
 12/08/2018   11:24:46   ( -79.70,  86.99) 12/08/2018   11:24:58  ( -79.71,  87.13)    2.87                12
 12/11/2018   02:51:53   (  79.49,  33.75) 12/11/2018   02:51:14  (  79.48,  33.69)    1.30                39