Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2018 11 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)
 11/11/2018   19:08:19   (  79.57, 150.15) 11/11/2018   19:08:08  (  79.56, 150.14)    0.45                11
 11/11/2018   19:57:40   ( -79.80, -40.51) 11/11/2018   19:58:46  ( -79.80, -40.50)    0.20                66
 11/14/2018   10:35:27   ( -79.42,  97.37) 11/14/2018   10:34:23  ( -79.43,  97.47)    2.28                64
 11/14/2018   11:24:47   (  79.64, -93.47) 11/14/2018   11:25:01  (  79.64, -93.44)    0.62                14
 11/17/2018   02:51:56   ( -79.42,-146.78) 11/17/2018   02:51:18  ( -79.41,-146.92)    3.05                38
 11/17/2018   03:41:13   (  79.74,  23.19) 11/17/2018   03:41:52  (  79.75,  23.26)    1.41                39
 11/19/2018   19:08:23   ( -79.52, -30.16) 11/19/2018   19:08:10  ( -79.52, -30.26)    2.14                13
 11/19/2018   19:57:41   (  79.81, 139.57) 11/19/2018   19:58:45  (  79.82, 139.67)    2.10                64
 11/22/2018   10:35:30   (  79.35, -83.11) 11/22/2018   10:34:25  (  79.34, -83.24)    2.92                65