Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2018 11 18.  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   ( -79.61, -29.55) 11/19/2018   19:08:07  ( -79.61, -29.45)    2.18                13
 11/19/2018   19:57:41   (  79.79, 139.43) 11/19/2018   19:58:46  (  79.79, 139.42)    0.11                65
 11/22/2018   10:35:29   (  79.35, -83.08) 11/22/2018   10:34:25  (  79.34, -83.20)    2.64                64
 11/22/2018   11:24:49   ( -79.63,  86.45) 11/22/2018   11:25:02  ( -79.62,  86.41)    0.91                13
 11/25/2018   02:51:53   (  79.52,  33.92) 11/25/2018   02:51:14  (  79.52,  33.96)    0.83                39
 11/25/2018   03:41:13   ( -79.78,-156.49) 11/25/2018   03:41:51  ( -79.79,-156.34)    2.87                38
 11/27/2018   19:08:22   (  79.53, 149.86) 11/27/2018   19:08:09  (  79.52, 149.77)    1.74                13
 11/27/2018   19:57:42   ( -79.79, -40.54) 11/27/2018   19:58:46  ( -79.80, -40.51)    0.76                64
 11/30/2018   10:35:29   ( -79.39,  97.15) 11/30/2018   10:34:24  ( -79.39,  97.14)    0.22                65