Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2018 11 29.  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   ( -79.40,  97.23) 11/30/2018   10:34:23  ( -79.39,  97.22)    0.31                65
 11/30/2018   11:24:46   (  79.70, -93.01) 11/30/2018   11:24:58  (  79.70, -92.90)    2.30                12
 12/03/2018   02:51:55   ( -79.47,-146.37) 12/03/2018   02:51:16  ( -79.47,-146.45)    1.76                39
 12/03/2018   03:41:14   (  79.73,  23.14) 12/03/2018   03:41:52  (  79.74,  23.17)    0.66                38
 12/05/2018   19:08:22   ( -79.54, -29.99) 12/05/2018   19:08:09  ( -79.53, -30.12)    2.72                13
 12/05/2018   19:57:41   (  79.80, 139.53) 12/05/2018   19:58:45  (  79.80, 139.51)    0.52                64
 12/08/2018   10:35:27   (  79.41, -82.64) 12/08/2018   10:34:22  (  79.41, -82.66)    0.49                65
 12/08/2018   11:24:49   ( -79.61,  86.36) 12/08/2018   11:25:02  ( -79.60,  86.21)    3.19                13
 12/11/2018   02:51:53   (  79.48,  33.67) 12/11/2018   02:51:14  (  79.48,  33.63)    0.76                39
 12/11/2018   03:41:14   ( -79.71,-157.05) 12/11/2018   03:41:53  ( -79.70,-157.19)    3.18                39
 12/13/2018   19:08:19   (  79.57, 150.21) 12/13/2018   19:08:06  (  79.57, 150.18)    0.53                13