Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2017 1 28.  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   ( -79.49,-146.17) 01/30/2017   02:51:06  ( -79.49,-146.18)    0.19                51
 01/30/2017   03:41:17   (  79.71,  23.08) 01/30/2017   03:41:44  (  79.71,  23.00)    1.70                27
 02/01/2017   19:08:24   ( -79.64, -29.20) 02/01/2017   19:07:55  ( -79.65, -29.07)    2.60                29
 02/01/2017   19:57:45   (  79.82, 139.80) 02/01/2017   19:58:34  (  79.82, 139.86)    1.10                49
 02/04/2017   11:24:55   ( -79.64,  86.67) 02/04/2017   11:24:49  ( -79.64,  86.65)    0.47                 6
 02/04/2017   12:14:15   (  79.85,-104.06) 02/04/2017   12:15:27  (  79.85,-104.15)    1.88                72
 02/07/2017   02:52:03   (  79.43,  33.46) 02/07/2017   02:51:03  (  79.43,  33.33)    2.94                60
 02/07/2017   03:41:24   ( -79.67,-157.23) 02/07/2017   03:41:41  ( -79.66,-157.37)    2.83                17
 02/09/2017   19:08:29   (  79.61, 150.56) 02/09/2017   19:07:51  (  79.61, 150.64)    1.72                38