Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2017 2 14.  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)
 02/15/2017   02:52:06   ( -79.50,-146.07) 02/15/2017   02:50:56  ( -79.51,-145.97)    2.13                70
 02/15/2017   03:41:26   (  79.72,  23.17) 02/15/2017   03:41:34  (  79.72,  23.18)    0.31                 8
 02/17/2017   19:08:34   ( -79.59, -29.56) 02/17/2017   19:07:47  ( -79.59, -29.49)    1.45                47
 02/17/2017   19:57:55   (  79.77, 139.41) 02/17/2017   19:58:26  (  79.77, 139.39)    0.42                31
 02/20/2017   11:25:03   ( -79.64,  86.68) 02/20/2017   11:24:39  ( -79.64,  86.72)    0.91                24
 02/20/2017   12:14:23   (  79.85,-104.08) 02/20/2017   12:15:17  (  79.84,-104.13)    1.02                54
 02/23/2017   03:41:31   ( -79.72,-156.84) 02/23/2017   03:41:30  ( -79.72,-156.81)    0.58                 1
 02/23/2017   04:28:30   (  81.41,  66.83) 02/23/2017   04:29:43  (  80.69,  65.24)   84.73                73
 02/25/2017   19:08:38   (  79.53, 149.99) 02/25/2017   19:07:43  (  79.52, 149.96)    0.62                55