Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 2 16.  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)
 02/18/2019   11:25:07   (  79.60, -93.61) 02/18/2019   11:24:39  (  79.60, -93.67)    1.15                28
 02/18/2019   12:14:28   ( -79.83,  75.75) 02/18/2019   12:15:17  ( -79.83,  75.68)    1.37                49
 02/21/2019   03:41:34   (  79.72,  23.16) 02/21/2019   03:41:29  (  79.72,  23.19)    0.61                 5
 02/21/2019   04:30:56   ( -79.91,-167.71) 02/21/2019   04:32:08  ( -79.91,-167.69)    0.30                72
 02/23/2019   19:08:45   ( -79.48, -30.32) 02/23/2019   19:07:46  ( -79.48, -30.46)    3.00                59
 02/23/2019   19:58:02   (  79.80, 139.66) 02/23/2019   19:58:20  (  79.81, 139.79)    2.67                18
 02/26/2019   11:25:11   ( -79.60,  86.40) 02/26/2019   11:24:35  ( -79.60,  86.37)    0.66                36
 02/26/2019   12:14:31   (  79.81,-104.42) 02/26/2019   12:15:13  (  79.81,-104.48)    1.33                42
 03/01/2019   03:41:38   ( -79.72,-156.88) 03/01/2019   03:41:25  ( -79.72,-156.78)    2.11                13