Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2018 4 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)
 04/17/2018   19:58:35   ( -79.55, -42.34) 04/17/2018   19:58:16  ( -79.56, -42.32)    0.73                19
 04/17/2018   20:47:55   (  79.78, 126.96) 04/17/2018   20:48:53  (  79.79, 127.02)    1.50                58
 04/20/2018   11:25:41   (  79.39, -95.21) 04/20/2018   11:24:31  (  79.40, -95.19)    0.61                70
 04/20/2018   12:15:02   ( -79.62,  74.00) 04/20/2018   12:15:10  ( -79.62,  73.96)    0.73                 8
 04/23/2018   03:42:07   (  79.49,  21.34) 04/23/2018   03:41:24  (  79.49,  21.32)    0.53                43
 04/23/2018   04:31:29   ( -79.68,-169.68) 04/23/2018   04:32:04  ( -79.68,-169.77)    1.72                35
 04/25/2018   19:58:34   (  79.55, 137.61) 04/25/2018   19:58:18  (  79.54, 137.56)    1.08                16
 04/25/2018   20:47:56   ( -79.74, -53.39) 04/25/2018   20:48:58  ( -79.73, -53.50)    2.35                62
 04/28/2018   11:25:40   ( -79.37,  84.66) 04/28/2018   11:24:34  ( -79.37,  84.57)    2.04                66