Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2018 9 26.  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   ( -78.98,  94.51) 09/27/2018   10:34:38  ( -78.97,  94.49)    0.63                66
 09/27/2018   11:25:04   (  79.21, -96.42) 09/27/2018   11:25:16  (  79.20, -96.57)    3.19                12
 09/30/2018   02:52:10   ( -79.09,-148.94) 09/30/2018   02:51:31  ( -79.09,-148.90)    0.85                39
 09/30/2018   03:41:29   (  79.36,  20.39) 09/30/2018   03:42:08  (  79.35,  20.34)    1.21                39
 10/02/2018   19:08:34   ( -79.24, -32.15) 10/02/2018   19:08:22  ( -79.25, -32.03)    2.77                12
 10/02/2018   19:57:53   (  79.49, 137.20) 10/02/2018   19:58:59  (  79.50, 137.27)    1.25                66
 10/05/2018   10:35:42   (  78.96, -85.58) 10/05/2018   10:34:41  (  78.96, -85.65)    1.50                61
 10/05/2018   11:25:02   ( -79.26,  83.88) 10/05/2018   11:25:18  ( -79.26,  83.83)    1.16                16
 10/08/2018   02:52:06   (  79.14,  31.36) 10/08/2018   02:51:32  (  79.14,  31.44)    1.72                34