Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 12 27.  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)
 12/29/2016   02:51:49   ( -79.48,-146.30) 12/29/2016   02:51:22  ( -79.47,-146.42)    2.41                27
 12/29/2016   03:41:07   (  79.77,  23.50) 12/29/2016   03:41:57  (  79.77,  23.51)    0.29                50
 12/31/2016   19:08:16   ( -79.58, -29.67) 12/31/2016   19:08:13  ( -79.58, -29.74)    1.60                 3
 12/31/2016   19:57:14   (  80.53, 146.21) 12/31/2016   19:58:28  (  80.43, 146.41)   12.62                74
 01/03/2017   10:35:23   (  79.38, -82.85) 01/03/2017   10:34:27  (  79.37, -82.96)    2.21                56
 01/03/2017   11:24:42   ( -79.68,  86.94) 01/03/2017   11:25:03  ( -79.68,  86.94)    0.09                21
 01/06/2017   02:51:49   (  79.51,  33.94) 01/06/2017   02:51:17  (  79.51,  33.95)    0.31                32
 01/06/2017   03:41:09   ( -79.78,-156.47) 01/06/2017   03:41:54  ( -79.78,-156.37)    2.17                45
 01/08/2017   19:08:17   (  79.56, 150.19) 01/08/2017   19:08:10  (  79.55, 150.05)    3.06                 7