Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2017 6 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)
 06/12/2017   11:24:59   ( -79.27,  83.95) 06/12/2017   11:24:32  ( -79.26,  83.81)    3.05                27
 06/12/2017   12:14:16   (  79.61,-106.10) 06/12/2017   12:15:06  (  79.61,-106.01)    1.94                50
 06/15/2017   03:41:22   ( -79.45,-158.97) 06/15/2017   03:41:21  ( -79.46,-158.83)    2.92                 1
 06/17/2017   19:08:26   (  79.27, 148.06) 06/17/2017   19:07:35  (  79.28, 148.18)    2.82                51
 06/17/2017   19:57:46   ( -79.55, -42.41) 06/17/2017   19:58:12  ( -79.56, -42.26)    3.16                26
 06/20/2017   11:24:53   (  79.28, -95.97) 06/20/2017   11:24:30  (  79.27, -96.09)    2.65                23
 06/20/2017   12:14:14   ( -79.53,  73.32) 06/20/2017   12:15:08  ( -79.52,  73.21)    2.36                54
 06/23/2017   02:52:00   ( -79.07,-149.04) 06/23/2017   02:50:46  ( -79.08,-149.05)    0.71                74
 06/23/2017   03:41:17   (  79.40,  20.73) 06/23/2017   03:41:21  (  79.40,  20.68)    1.14                 4
 06/25/2017   19:08:22   ( -79.27, -31.89) 06/25/2017   19:07:35  ( -79.28, -31.80)    1.96                47