Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2018 10 10.  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)
 10/13/2018   10:35:29   ( -79.41,  97.28) 10/13/2018   10:34:24  ( -79.42,  97.43)    3.08                65
 10/13/2018   11:24:49   (  79.63, -93.58) 10/13/2018   11:25:02  (  79.64, -93.47)    2.42                13
 10/16/2018   02:51:57   ( -79.42,-146.80) 10/16/2018   02:51:19  ( -79.41,-146.86)    1.37                38
 10/16/2018   03:41:16   (  79.67,  22.59) 10/16/2018   03:41:56  (  79.66,  22.51)    1.74                40
 10/18/2018   19:08:22   ( -79.54, -30.12) 10/18/2018   19:08:10  ( -79.54, -30.08)    1.05                12
 10/18/2018   19:57:41   (  79.78, 139.29) 10/18/2018   19:58:47  (  79.78, 139.33)    0.94                66
 10/21/2018   10:35:27   (  79.32, -83.34) 10/21/2018   10:34:25  (  79.31, -83.42)    1.69                62
 10/21/2018   11:24:48   ( -79.57,  86.00) 10/21/2018   11:25:03  ( -79.56,  85.88)    2.47                15
 10/24/2018   02:51:50   (  79.50,  33.77) 10/24/2018   02:51:14  (  79.50,  33.85)    1.66                36