Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 3 31.  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)
 04/01/2016   02:52:35   ( -79.21,-148.17) 04/01/2016   02:51:50  ( -79.20,-148.30)    2.85                45
 04/01/2016   03:41:53   (  79.51,  21.49) 04/01/2016   03:42:25  (  79.51,  21.44)    1.17                32
 04/03/2016   19:09:00   ( -79.38, -31.16) 04/03/2016   19:08:41  ( -79.38, -31.16)    0.12                19
 04/03/2016   19:58:18   (  79.68, 138.55) 04/03/2016   19:59:16  (  79.68, 138.65)    1.90                58
 04/06/2016   10:36:07   (  79.19, -84.20) 04/06/2016   10:34:57  (  79.19, -84.18)    0.44                70
 04/06/2016   11:25:28   ( -79.43,  85.03) 04/06/2016   11:25:36  ( -79.42,  84.92)    2.59                 8
 04/09/2016   02:52:33   (  79.26,  32.16) 04/09/2016   02:51:50  (  79.26,  32.12)    0.95                43
 04/09/2016   03:41:51   ( -79.62,-157.78) 04/09/2016   03:42:25  ( -79.62,-157.66)    2.33                34
 04/11/2016   19:08:59   (  79.37, 148.72) 04/11/2016   19:08:43  (  79.36, 148.67)    1.21                16
 04/11/2016   19:58:18   ( -79.68, -41.43) 04/11/2016   19:59:19  ( -79.69, -41.34)    1.94                61
 04/14/2016   10:36:07   ( -79.16,  95.66) 04/14/2016   10:35:01  ( -79.15,  95.53)    3.00                66