Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2018 11 17.  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)
 11/19/2018   19:08:20   ( -79.60, -29.60) 11/19/2018   19:08:07  ( -79.61, -29.50)    2.13                13
 11/19/2018   19:57:41   (  79.78, 139.36) 11/19/2018   19:58:46  (  79.78, 139.35)    0.19                65
 11/22/2018   10:35:29   (  79.34, -83.15) 11/22/2018   10:34:25  (  79.33, -83.26)    2.59                64
 11/22/2018   11:24:49   ( -79.62,  86.40) 11/22/2018   11:25:02  ( -79.62,  86.35)    1.00                13
 11/25/2018   02:51:54   (  79.51,  33.85) 11/25/2018   02:51:15  (  79.51,  33.89)    0.74                39
 11/25/2018   03:41:14   ( -79.78,-156.55) 11/25/2018   03:41:52  ( -79.78,-156.41)    2.71                38
 11/27/2018   19:08:21   (  79.55, 150.05) 11/27/2018   19:08:08  (  79.55, 149.97)    1.95                13
 11/27/2018   19:57:41   ( -79.82, -40.33) 11/27/2018   19:58:45  ( -79.82, -40.30)    0.52                64
 11/30/2018   10:35:29   ( -79.38,  97.08) 11/30/2018   10:34:24  ( -79.38,  97.05)    0.62                65