Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 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)
 10/11/2019   02:51:46   (  79.46,  33.47) 10/11/2019   02:51:09  (  79.47,  33.55)    1.70                37
 10/11/2019   03:41:06   ( -79.73,-156.96) 10/11/2019   03:41:46  ( -79.74,-156.82)    2.94                40
 10/13/2019   19:08:14   (  79.52, 149.74) 10/13/2019   19:08:02  (  79.52, 149.73)    0.24                12
 10/13/2019   19:57:34   ( -79.79, -40.65) 10/13/2019   19:58:39  ( -79.79, -40.60)    0.98                65
 10/16/2019   10:35:21   ( -79.35,  96.86) 10/16/2019   10:34:16  ( -79.35,  96.89)    0.57                65
 10/16/2019   11:24:40   (  79.61, -93.75) 10/16/2019   11:24:53  (  79.60, -93.81)    1.41                13
 10/19/2019   02:51:48   ( -79.44,-146.66) 10/19/2019   02:51:08  ( -79.44,-146.68)    0.45                40
 10/19/2019   03:41:08   (  79.65,  22.47) 10/19/2019   03:41:46  (  79.65,  22.37)    2.17                38
 10/21/2019   19:08:15   ( -79.52, -30.21) 10/21/2019   19:08:00  ( -79.52, -30.25)    0.90                15