Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2017 1 29.  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)
 01/30/2017   02:51:57   ( -79.50,-146.07) 01/30/2017   02:51:06  ( -79.50,-146.07)    0.04                51
 01/30/2017   03:41:17   (  79.73,  23.19) 01/30/2017   03:41:44  (  79.72,  23.11)    1.71                27
 02/01/2017   19:08:25   ( -79.62, -29.37) 02/01/2017   19:07:56  ( -79.63, -29.24)    2.71                29
 02/01/2017   19:57:44   (  79.83, 139.91) 02/01/2017   19:58:33  (  79.84, 139.97)    1.25                49
 02/04/2017   11:24:54   ( -79.65,  86.76) 02/04/2017   11:24:48  ( -79.65,  86.75)    0.16                 6
 02/04/2017   12:14:15   (  79.83,-104.25) 02/04/2017   12:15:27  (  79.83,-104.33)    1.56                72
 02/07/2017   02:52:03   (  79.45,  33.54) 02/07/2017   02:51:03  (  79.44,  33.43)    2.38                60
 02/07/2017   03:41:24   ( -79.68,-157.15) 02/07/2017   03:41:41  ( -79.68,-157.26)    2.27                17
 02/09/2017   19:08:29   (  79.62, 150.63) 02/09/2017   19:07:51  (  79.62, 150.75)    2.59                38
 02/09/2017   19:57:50   ( -79.85, -40.00) 02/09/2017   19:58:29  ( -79.85, -39.86)    2.78                39
 02/12/2017   11:24:58   (  79.67, -93.11) 02/12/2017   11:24:43  (  79.68, -93.02)    1.89                15