Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 12 25.  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)
 12/26/2016   10:35:22   ( -79.37,  97.08) 12/26/2016   10:34:31  ( -79.36,  96.95)    2.77                51
 12/26/2016   11:24:40   (  79.67, -93.17) 12/26/2016   11:25:06  (  79.67, -93.18)    0.33                26
 12/29/2016   02:51:49   ( -79.48,-146.26) 12/29/2016   02:51:22  ( -79.47,-146.38)    2.72                27
 12/29/2016   03:41:08   (  79.74,  23.26) 12/29/2016   03:41:58  (  79.74,  23.26)    0.25                50
 12/31/2016   19:08:16   ( -79.55, -29.88) 12/31/2016   19:08:13  ( -79.55, -29.97)    1.87                 3
 12/31/2016   19:57:14   (  80.51, 145.93) 12/31/2016   19:58:28  (  80.40, 146.12)   12.15                74
 01/03/2017   10:35:23   (  79.38, -82.81) 01/03/2017   10:34:27  (  79.38, -82.91)    2.18                56
 01/03/2017   11:24:42   ( -79.69,  87.00) 01/03/2017   11:25:03  ( -79.69,  86.99)    0.28                21
 01/06/2017   02:51:49   (  79.52,  33.99) 01/06/2017   02:51:17  (  79.52,  34.01)    0.50                32
 01/06/2017   03:41:09   ( -79.78,-156.42) 01/06/2017   03:41:54  ( -79.79,-156.31)    2.31                45
 01/08/2017   19:08:17   (  79.57, 150.23) 01/08/2017   19:08:10  (  79.56, 150.12)    2.47                 7