Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 12 11.  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)
 12/11/2019   11:25:01   ( -79.50,  85.51) 12/11/2019   11:24:31  ( -79.49,  85.39)    2.48                30
 12/11/2019   12:14:20   (  79.76,-104.97) 12/11/2019   12:15:07  (  79.76,-104.96)    0.37                47
 12/14/2019   03:41:27   ( -79.61,-157.81) 12/14/2019   03:41:21  ( -79.61,-157.86)    1.00                 6
 12/14/2019   04:30:46   (  79.86,  11.74) 12/14/2019   04:31:57  (  79.87,  11.82)    1.70                71
 12/16/2019   19:08:34   (  79.41, 149.04) 12/16/2019   19:07:35  (  79.41, 148.96)    1.76                59
 12/16/2019   19:57:53   ( -79.72, -41.15) 12/16/2019   19:58:11  ( -79.72, -41.10)    1.03                18
 12/19/2019   11:24:58   (  79.55, -94.10) 12/19/2019   11:24:23  (  79.55, -94.07)    0.68                35
 12/19/2019   12:14:20   ( -79.74,  74.95) 12/19/2019   12:15:03  ( -79.73,  74.82)    2.81                43
 12/22/2019   03:41:26   (  79.57,  21.94) 12/22/2019   03:41:16  (  79.57,  21.82)    2.73                10
 12/22/2019   04:30:46   ( -79.84,-168.44) 12/22/2019   04:31:53  ( -79.84,-168.42)    0.31                67
 12/24/2019   19:08:33   ( -79.41, -30.92) 12/24/2019   19:07:30  ( -79.41, -30.99)    1.49                63