Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2017 3 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)
 03/11/2017   03:41:38   ( -79.57,-158.03) 03/11/2017   03:41:23  ( -79.57,-158.05)    0.45                15
 03/11/2017   04:30:57   (  79.82,  11.47) 03/11/2017   04:31:59  (  79.83,  11.61)    3.08                62
 03/13/2017   19:08:45   (  79.36, 148.76) 03/13/2017   19:07:36  (  79.36, 148.68)    1.66                69
 03/13/2017   19:58:05   ( -79.64, -41.67) 03/13/2017   19:58:13  ( -79.64, -41.66)    0.22                 8
 03/16/2017   11:25:12   (  79.46, -94.71) 03/16/2017   11:24:26  (  79.46, -94.72)    0.17                46
 03/16/2017   12:14:32   ( -79.73,  74.90) 03/16/2017   12:15:03  ( -79.74,  75.00)    2.08                31
 03/19/2017   03:41:38   (  79.58,  22.04) 03/19/2017   03:41:15  (  79.59,  22.17)    2.79                23
 03/19/2017   04:31:01   ( -79.75,-169.12) 03/19/2017   04:31:56  ( -79.74,-169.18)    1.26                55
 03/21/2017   19:10:27   ( -74.82, -49.56) 03/21/2017   19:09:13  ( -75.10, -51.03)   52.96                74
 03/21/2017   19:58:06   (  79.62, 138.21) 03/21/2017   19:58:07  (  79.63, 138.23)    0.43                 1
 03/24/2017   11:25:11   ( -79.52,  85.73) 03/24/2017   11:24:18  ( -79.53,  85.89)    3.16                53