Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2018 9 24.  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)
 09/27/2018   10:35:44   ( -78.96,  94.42) 09/27/2018   10:34:38  ( -78.96,  94.39)    0.65                66
 09/27/2018   11:25:03   (  79.24, -96.27) 09/27/2018   11:25:15  (  79.22, -96.41)    3.15                12
 09/30/2018   02:52:09   ( -79.12,-148.78) 09/30/2018   02:51:30  ( -79.12,-148.75)    0.72                39
 09/30/2018   03:41:29   (  79.34,  20.29) 09/30/2018   03:42:08  (  79.34,  20.23)    1.31                39
 10/02/2018   19:08:35   ( -79.22, -32.23) 10/02/2018   19:08:23  ( -79.23, -32.13)    2.44                12
 10/02/2018   19:57:54   (  79.48, 137.11) 10/02/2018   19:59:00  (  79.48, 137.15)    0.92                66
 10/05/2018   10:35:42   (  78.95, -85.67) 10/05/2018   10:34:41  (  78.94, -85.76)    2.12                61
 10/05/2018   11:25:02   ( -79.25,  83.80) 10/05/2018   11:25:18  ( -79.24,  83.72)    1.80                16
 10/08/2018   02:52:07   (  79.09,  31.04) 10/08/2018   02:51:33  (  79.09,  31.07)    0.71                34