Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 8 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)
 08/31/2016   02:51:39   (  79.28,  32.25) 08/31/2016   02:51:20  (  79.28,  32.36)    2.37                19
 08/31/2016   03:41:02   ( -79.44,-159.04) 08/31/2016   03:42:01  ( -79.43,-159.15)    2.43                59
 09/02/2016   18:18:46   ( -79.03, -21.02) 09/02/2016   18:17:35  ( -79.04, -20.95)    1.38                71
 09/02/2016   19:08:05   (  79.30, 148.29) 09/02/2016   19:08:12  (  79.30, 148.24)    1.23                 7
 09/05/2016   10:35:13   ( -79.06,  95.00) 09/05/2016   10:34:28  ( -79.05,  94.91)    1.84                45
 09/05/2016   11:24:29   (  79.44, -94.94) 09/05/2016   11:25:01  (  79.44, -94.83)    2.21                32
 09/08/2016   02:51:36   ( -79.23,-148.05) 09/08/2016   02:51:16  ( -79.24,-147.96)    1.92                20
 09/08/2016   03:40:55   (  79.49,  21.30) 09/08/2016   03:41:53  (  79.49,  21.29)    0.15                58
 09/10/2016   18:18:42   (  78.98, 158.69) 09/10/2016   18:17:31  (  78.98, 158.66)    0.75                71