Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 11 20.  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)
 11/21/2016   18:18:47   ( -79.29, -19.37) 11/21/2016   18:17:45  ( -79.28, -19.45)    1.73                62
 11/21/2016   19:08:05   (  79.59, 150.31) 11/21/2016   19:08:20  (  79.59, 150.31)    0.27                15
 11/24/2016   10:35:13   ( -79.45,  97.60) 11/24/2016   10:34:35  ( -79.45,  97.65)    1.04                38
 11/24/2016   11:24:32   (  79.70, -92.95) 11/24/2016   11:25:11  (  79.72, -92.81)    3.04                39
 11/27/2016   02:51:42   ( -79.49,-146.23) 11/27/2016   02:51:29  ( -79.49,-146.32)    1.90                13
 11/27/2016   03:41:01   (  79.74,  23.22) 11/27/2016   03:42:05  (  79.74,  23.22)    0.15                64
 11/29/2016   18:18:49   (  79.32, 160.85) 11/29/2016   18:17:43  (  79.32, 160.80)    1.13                66
 11/29/2016   19:08:08   ( -79.64, -29.32) 11/29/2016   19:08:19  ( -79.64, -29.21)    2.20                11
 12/02/2016   10:35:16   (  79.39, -82.84) 12/02/2016   10:34:35  (  79.38, -82.96)    2.81                41