Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2017 11 23.  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)
 11/24/2017   19:08:28   (  79.56, 150.19) 11/24/2017   19:08:11  (  79.55, 150.05)    3.03                17
 11/24/2017   19:57:48   ( -79.83, -40.19) 11/24/2017   19:58:48  ( -79.83, -40.22)    0.73                60
 11/27/2017   10:35:34   ( -79.46,  97.70) 11/27/2017   10:34:24  ( -79.46,  97.75)    0.88                70
 11/27/2017   11:24:55   (  79.64, -93.40) 11/27/2017   11:25:03  (  79.63, -93.52)    2.64                 8
 11/30/2017   02:51:59   ( -79.57,-145.67) 11/30/2017   02:51:14  ( -79.57,-145.57)    2.08                45
 11/30/2017   03:41:20   (  79.74,  23.26) 11/30/2017   03:41:53  (  79.74,  23.18)    1.59                33
 12/02/2017   19:08:28   ( -79.55, -29.87) 12/02/2017   19:08:09  ( -79.55, -29.98)    2.43                19
 12/02/2017   19:57:46   (  79.84, 139.88) 12/02/2017   19:58:44  (  79.84, 139.88)    0.14                58
 12/05/2017   10:35:34   (  79.37, -82.89) 12/05/2017   10:34:23  (  79.36, -83.04)    3.09                71